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Topical›Physics 0625›Motion, forces and energy›Energy, work and power›Paper 1

Energy, work and power — Paper 1 · IGCSE Physics 0625

1.7· 282 questions · 282 marks · 338 min · 2005–2025· Multiple choice

Every Cambridge IGCSE Physics Paper 1 question on energy, work and power, laid out as 79 A4 pages with the mark scheme below. Nothing is left out. Free to read, no account.

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Question 1: What is designed to change electrical energy into kinetic energy? A capacitor B generator C motor D transformerQuestion 2: A power station uses nuclear fission to obtain energy. In this process, nuclear energy is first changed into A chemical energy. B electrica…Question 3: A ball is released from rest and rolls down a track from the position shown. What is the furthest position the ball could reach? ball C sta…Question 4: Which type of power station does not use steam from boiling water to generate electricity? A geothermal B hydroelectric C nuclear D oil-fir…1 / 79
Question 5: A man standing at the top of a cliff throws a stone. X Y Which forms of energy does the stone have at X and at Y? energy at X energy at Y A…Question 6: Which form of energy do we receive directly from the Sun? A chemical B light C nuclear D soundQuestion 7: A labourer on a building site lifts a heavy concrete block onto a lorry. He then lifts a light block the same distance in the same time. Wh…Question 8: Which form of energy is used to generate electrical energy in a tidal power station? A chemical energy B gravitational energy C internal en…2 / 79
Question 9: Which line in the table gives an example of the stated form of energy? form of energy example A gravitational the energy due to the movemen…Question 10: A person uses chemical energy to run up some stairs. She stops at the top of the stairs. What has the chemical energy been converted to whe…Question 11: Electrical energy may be obtained from nuclear fission. In what order is the energy transferred in this process? A nuclear fuel → generator…Question 12: How is electricity transmitted over large distances and why is it transmitted in this way? how why A at high voltage for safety B at high v…3 / 79
Question 13: A stone is thrown from the edge of a cliff. Its path is shown in the diagram. 2 1 3 ground In which position does the stone have its greate…Question 14: A worker is lifting boxes of identical weight from the ground onto a moving belt. At first, it takes him 2 s to lift each box. Later in the…4 / 79
Question 15: The diagram shows water stored behind a dam. dam water turbine generator water The water flows to a turbine and turns a generator. Which se…Question 16: A rubber ball is dropped from a height of 2 m on to a table. Whilst in contact with the table, some of its energy is converted into interna…5 / 79
Question 17: Two different systems are used to transmit equal amounts of electrical power from one building to another. One system uses low voltage and …Question 18: Electricity can be obtained from different energy resources. Which energy resource is used to obtain electricity without producing heat to …Question 19: Four people of equal weight on a beach use different routes to get to the top of a sea wall. pavement slipway sea wall beach Which person p…6 / 79
Question 20: The diagram shows a microphone being used in an interview. microphone Which energy change takes place in the microphone? input energy outpu…Question 21: The table shows the times taken for four children to run up a set of stairs. Which child’s power is greatest? mass of child / kg time / s A…Question 22: The table shows the times taken for four children to run up a set of stairs. Which child’s power is greatest? mass of child / kg time / s A…7 / 79
Question 23: The diagram shows a microphone being used in an interview. microphone Which energy change takes place in the microphone? input energy outpu…Question 24: Energy is stored in a battery and in a box of matches. Which type of energy is stored in each of them? a battery a box of matches A chemica…Question 25: A man lifts 20 bricks, each of weight 6 N. What other information is needed to calculate the useful work done in lifting the bricks? A the …Question 26: A man lifts 20 bricks, each of weight 6 N. What other information is needed to calculate the useful work done in lifting the bricks? A the …8 / 79
Question 27: Energy is stored in a battery and in a box of matches. Which type of energy is stored in each of them? a battery a box of matches A chemica…Question 28: Which of these is designed to change electrical energy into kinetic energy? A a capacitor B a generator C a motor D a transformerQuestion 29: A car is driven on a long journey along a flat, horizontal road. The car stops several times on the journey and its engine becomes hot. Whi…Question 30: A car is driven on a long journey along a flat, horizontal road. The car stops several times on the journey and its engine becomes hot. Whi…Question 31: Which of these is designed to change electrical energy into kinetic energy? A a capacitor B a generator C a motor D a transformer9 / 79
Question 32: A car is driven on a long journey along a flat, horizontal road. The car stops several times on the journey and its engine becomes hot. Whi…Question 33: Which of these is designed to change electrical energy into kinetic energy? A a capacitor B a generator C a motor D a transformerQuestion 34: Which row gives an example of the stated form of energy? form of energy example A gravitational the energy due to the movement of a train a…Question 35: Which energy resource is used to generate electricity by first boiling water? A hydroelectric B nuclear fission C tides D waves10 / 79
Question 36: Two farmers use an electrically powered elevator to lift bales of hay. All the bales of hay have the same mass. bale of hay As sunset appro…Question 37: Which row gives an example of the stated form of energy? form of energy example A gravitational the energy due to the movement of a train a…11 / 79
Question 38: Two farmers use an electrically powered elevator to lift bales of hay. All the bales of hay have the same mass. bale of hay As sunset appro…Question 39: Which energy resource is used to generate electricity by first boiling water? A hydroelectric B nuclear fission C tides D wavesQuestion 40: Which row gives an example of the stated form of energy? form of energy example A gravitational the energy due to the movement of a train a…12 / 79
Question 41: Two farmers use an electrically powered elevator to lift bales of hay. All the bales of hay have the same mass. bale of hay As sunset appro…Question 42: Which energy resource is used to generate electricity by first boiling water? A hydroelectric B nuclear fission C tides D wavesQuestion 43: A power station uses nuclear fission to obtain energy. In this process, nuclear energy is first changed into A chemical energy. B electrica…13 / 79
Question 44: A person lifts boxes of equal weight on to a platform. boxes platform Which quantity will not affect the work done by the person? A the hei…Question 45: A skier walks from the bottom of a ski slope to the top and gains 10 000 J of gravitational potential energy. She skis down the slope. At t…Question 46: A skier walks from the bottom of a ski slope to the top and gains 10 000 J of gravitational potential energy. She skis down the slope. At t…14 / 79
Question 47: A power station uses nuclear fission to obtain energy. In this process, nuclear energy is first changed into A chemical energy. B electrica…Question 48: A person lifts boxes of equal weight on to a platform. boxes platform Which quantity will not affect the work done by the person? A the hei…Question 49: A power station uses nuclear fission to obtain energy. In this process, nuclear energy is first changed into A chemical energy. B electrica…Question 50: A person lifts boxes of equal weight on to a platform. boxes platform Which quantity will not affect the work done by the person? A the hei…15 / 79
Question 51: A skier walks from the bottom of a ski slope to the top and gains 10 000 J of gravitational potential energy. She skis down the slope. At t…Question 52: The diagram shows a hydroelectric system. reservoir pipe water power station What are the main energy changes taking place? A chemical ener…16 / 79
Question 53: An escalator (moving stairs) and a lift (elevator) are both used to carry passengers from the same underground railway platform up to stree…Question 54: The diagram shows a hydroelectric system. reservoir pipe water power station What are the main energy changes taking place? A chemical ener…17 / 79
Question 55: A car moves along a level road at constant speed. Work is done by the engine and power is developed by the engine. Which pair of graphs sho…Question 56: The diagram shows a hydroelectric system. reservoir pipe water power station What are the main energy changes taking place? A chemical ener…18 / 79
Question 57: An escalator (moving stairs) and a lift (elevator) are both used to carry passengers from the same underground railway platform up to stree…Question 58: Some energy sources are reliably available at all times, and some are not. Which row shows three sources all in their correct columns? avai…19 / 79
Question 59: A woman in a factory has to lift a box on to a shelf. high shelf box low shelf Which action involves the woman in doing the least amount of…Question 60: Some energy sources are reliably available at all times, and some are not. Which row shows three sources all in their correct columns? avai…Question 61: A woman in a factory has to lift a box on to a shelf. high shelf box low shelf Which action involves the woman in doing the least amount of…20 / 79
Question 62: An aeroplane is landing. As it descends towards the runway, its speed reduces. What are the energy changes that take place during the desce…Question 63: Energy from uranium is transferred to electrical energy in a nuclear power station. What is the correct order of the stages of this process…Question 64: Which energy transfer takes place when a matchstick burns? A chemical to thermal B chemical to nuclear C nuclear to chemical D thermal to c…Question 65: Four cars are driven along a road. The table shows the work done by the engine in each car and the time taken by each car. Which engine pro…Question 66: In a hydroelectric power station, one form of energy is stored in a lake or reservoir. This energy is then transferred in stages to another…21 / 79
Question 67: A certain machine is very efficient. What does this mean? A It produces a large amount of power. B It uses very little energy. C It wastes …Question 68: Four cars are driven along a road. The table shows the work done by the engine in each car and the time taken by each car. Which engine pro…Question 69: Which energy transfer takes place when a matchstick burns? A chemical to thermal B chemical to nuclear C nuclear to chemical D thermal to c…Question 70: The list contains three energy resources P, Q and R. P geothermal energy from hot rocks Q nuclear fission in reactors R sunlight on solar p…Question 71: Which movement will require the greatest amount of work to be done? A a force of 10 N moving an object a distance of 3.0 m B a force of 10 …22 / 79
Question 72: Which row gives the unit for energy and the unit for electromotive force (e.m.f.)? energy e.m.f. A J N B J V C W N D W VQuestion 73: The diagram shows cables used in the transmission of electrical energy. High voltages are used for the transmission. transmission cables po…Question 74: The list contains three energy resources P, Q and R. P geothermal energy from hot rocks Q nuclear fission in reactors R sunlight on solar p…23 / 79
Question 75: The diagram shows cables used in the transmission of electrical energy. High voltages are used for the transmission. transmission cables po…Question 76: Which row gives the unit for energy and the unit for electromotive force (e.m.f.)? energy e.m.f. A J N B J V C W N D W VQuestion 77: Which movement will require the greatest amount of work to be done? A a force of 10 N moving an object a distance of 3.0 m B a force of 10 …Question 78: When a bicycle lamp is switched on, what is the useful energy change within the battery? A chemical energy to electrical energy B electrica…24 / 79
Question 79: A student does some work by pulling a suitcase along a corridor. She now pulls a second suitcase along the corridor. Which row indicates th…Question 80: A helicopter takes off from the ground and rises vertically. It then hovers at a constant height above the ground. Which sequence of energy…Question 81: Four people of equal weight on a beach use different routes to get to the top of a sea wall. ladder slipway sea wall beach Which person pro…Question 82: Which energy resource is used to generate electricity without using any moving parts? A geothermal B hydroelectric C nuclear D solar25 / 79
Question 83: A cyclist travels down a hill from rest at point X, without pedalling. The cyclist applies his brakes and the cycle stops at point Y. X hil…Question 84: What is an advantage of transmitting electricity at a high voltage? A It is faster. B It is safer. C Less energy is wasted. D Less equipmen…Question 85: Which source of energy involves the splitting of heavy atoms? A chemical energy B geothermal energy C hydroelectric energy D nuclear energyQuestion 86: A cyclist travels down a hill from rest at point X, without pedalling. The cyclist applies his brakes and the cycle stops at point Y. X hil…26 / 79
Question 87: Tocalculate the power produced by a force, the size of the force must be known. What else needs to be known to calculate the power? the d…Question 88: A cyclist travels down a hill from rest at point X, without pedalling. The cyclist applies his brakes and the cycle stops at point Y. X hil…Question 89: Which form of energy is used to generate electrical energy in a tidal power station? A chemical energy B gravitational energy C internal en…Question 90: Four different model steam engines each lift a 1.0 kg object from the same laboratory floor to the same laboratory bench. Each engine takes…27 / 79
Question 91: What needs to be known to calculate the work done by a force acting on an object? the distance the time for the size of the force . which …Question 92: Electrical energy may be obtained from nuclear fission. In which order is the energy transferred in this process? A nuclear fuel → generato…Question 93: What is the unit of electrical power? A ampere B joule C volt D wattQuestion 94: A step-up transformer is used before electricity is transmitted by overhead cables. Which statement explains why the step-up transformer is…Question 95: A car is stationary at the top of a hill with the engine switched off. The brakes are released and the car rolls down the hill. At which la…28 / 79
Question 96: Electrical energy may be obtained from nuclear fission. In which order is the energy transferred in this process? A nuclear fuel → generato…Question 97: Which row gives the energy change in a battery and the energy change in a solar cell? battery solar cell A chemical to electrical electrica…Question 98: Electrical energy may be obtained from nuclear fission. In which order is the energy transferred in this process? A nuclear fuel → generato…Question 99: Which quantities are measured in the same unit? A energy, power and work B energy and power, but not work C energy and work, but not power …29 / 79
Question 100: The diagram shows a ball hanging on a string. The ball swings from point W to point Z and back to point W. ball W Z X Y Which statement abo…Question 101: A person in a factory has to lift a box on to a shelf. high shelf box low shelf Which action involves the person doing the least amount of …Question 102: Which is a non-renewable energy resource? A coal B solar C tides D wind30 / 79
Question 103: A skier walks from the bottom of a ski slope to the top and gains 10 000 J of gravitational potential energy. She skis down the slope. At t…Question 104: A coal-fired power station generates electricity. Coal is burnt and the energy released is used to boil water. The steam from the water mak…Question 105: Four different children run up the same set of stairs. For which child is the useful power to climb the stairs the greatest? mass of child …31 / 79
Question 106: A skier walks from the bottom of a ski slope to the top and gains 10 000 J of gravitational potential energy. She skis down the slope. At t…Question 107: Which energy source is one that is used to boil water to make steam in power stations? A energy from tides B energy from waves C hydroelect…Question 108: In a factory, two men X and Y try to move identical heavy boxes P and Q. Man X tries to push box P along the floor. The box does not move b…32 / 79
Question 109: A skier walks from the bottom of a ski slope to the top and gains 10 000 J of gravitational potential energy. She skis down the slope. At t…Question 110: Which energy source is renewable and reliably available at all times? A coal B geothermal C nuclear D windQuestion 111: Two workers are stacking cans on to a shelf in a shop. The workers lift the same number of identical cans on to the same shelf from the sam…Question 112: Which energy transfer takes place when petrol is burned? A chemical to internal energy of surroundings (heat) B chemical to nuclear C gravi…Question 113: The box contains the names of eight different energy resources. natural gas geothermal solar waves hydroelectric oil wind coal How many of …33 / 79
Question 114: A child runs up a set of stairs four times. The time taken for each run is recorded. Which time is measured when the child’s useful power i…Question 115: What is the main energy change taking place in the battery of a mobile phone (cell phone) as it is being charged but not used? A chemical e…Question 116: Electricity can be generated using different energy resources. Which energy resource is used to generate electricity without needing any mo…Question 117: A child runs up a set of stairs four times. The time taken for each run is recorded. Which time is measured when the child’s useful power i…Question 118: A ball is released from point X on a rough semicircular track. It comes to rest for an instant at point Y. The gravitational potential ener…34 / 79
Question 119: Two cars P and Q have different engines. The input power from the fuel is the same for both engines. The engine in car P is more efficient …Question 120: A child runs up a set of stairs four times. The time taken for each run is recorded. Which time is measured when the child’s useful power i…Question 121: A man can either take an escalator or a lift to travel up between two floors in a hotel. escalator lift The escalator takes 20 seconds to c…35 / 79
Question 122: The engine of a motor vehicle develops a large amount of power. Which statement is correct? A The driving force acting on the vehicle must …Question 123: An air-conditioning unit, a lamp and an electric fire all receive electrical energy from the mains supply. From which of these devices is …Question 124: Energy resources are used to generate electricity. Which resource is renewable and does not release carbon dioxide when being used to produ…Question 125: A student does some simple exercises. In which exercise is the most work done? A B lifting pushing through through 1 m 1 m against a fricti…36 / 79
Question 126: An energy resource is used to generate electrical energy. Which energy resource uses a transfer of gravitational potential energy to genera…Question 127: The diagrams show athletes training by stretching springs. Each spring has the same stiffness. Which athlete does the most work? A B one sp…Question 128: In which power station are atoms of one element changed to atoms of other lighter elements? A a coal-fired power station B a hydroelectric …37 / 79
Question 129: The diagrams show four different athletes training by doing pull-ups. Which athlete does the most work? A B C D weight of weight of weight …Question 130: A pendulum bob swings from W, through points X and Y, to Z and then back to W. W Z X Y Which statement is correct? A The gravitational pote…38 / 79
Question 131: A student runs up a flight of stairs. height length Which information is not needed to calculate the rate at which the student is doing wor…Question 132: A load is attached to the end of a spring. A student pulls the load down from its rest position and releases it. It oscillates vertically a…39 / 79
Question 133: A student runs up a flight of stairs. height length Which information is not needed to calculate the rate at which the student is doing wor…Question 134: A toy car without a motor is moving at high speed along a track. The toy car follows a vertical loop as shown. start Which row describes th…40 / 79
Question 135: A student runs up a flight of stairs. height length Which information is not needed to calculate the rate at which the student is doing wor…Question 136: The diagram shows the energy transferred in a lamp in one second. light energy out total energy in = 60 J = 100 J wasted energy out = 40 J …Question 137: Which energy resource is not renewable? A fossil fuel B sunlight C tides D wind41 / 79
Question 138: A student does work by pulling a box across a horizontal floor. She now pulls a second box along the same floor. Which row indicates that t…Question 139: Which source of energy is renewable? A coal B natural gas C oil D windQuestion 140: A student does work by pulling a box across a horizontal floor. She now pulls a second box along the same floor. Which row indicates that t…42 / 79
Question 141: An electrical heater transfers thermal energy to the surroundings. The graph shows how the amount of thermal energy transferred varies with…Question 142: Which method of drying clothes has the least impact on the environment? A Evaporate the water in them in an electrically heated tumble drye…Question 143: A student does work by pulling a box across a horizontal floor. She now pulls a second box along the same floor. Which row indicates that t…Question 144: A battery in an electric circuit is connected to a lamp. Chemical energy in the battery is transferred to which other types of energy? A in…43 / 79
Question 145: Which device is designed to convert chemical energy into kinetic energy? A an a.c. generator B a battery-powered torch C a car engine D a w…Question 146: A man climbs a ladder. Which two quantities can be used to calculate the useful power of the man? A the weight of the man and the time take…Question 147: Which device is designed to convert chemical energy into kinetic energy? A an a.c. generator B a battery-powered torch C a car engine D a w…Question 148: Which two physical quantities must be used to calculate the power developed by a student running up a flight of steps? A force exerted and …Question 149: Which device is designed to convert chemical energy into kinetic energy? A an a.c. generator B a battery-powered torch C a car engine D a w…44 / 79
Question 150: A weight hangs from a rope. force weight In which case does the force do the most work on the weight? A The force raises the weight 1.0 m i…Question 151: Which source of energy uses the production of steam to generate electrical energy? A hydroelectric B nuclear C tides D wavesQuestion 152: What is the unit of power? A joule B newton C pascal D wattQuestion 153: A machine is very efficient. What does this mean? A It produces a large amount of power. B It uses very little energy. C It wastes very lit…Question 154: An object is lifted vertically by a motor. In which example is the power produced the greatest? A lifting it a shorter distance in a longer…45 / 79
Question 155: A night storage heater contains a large block of material that is heated electrically during the night. During the day the block cools down…Question 156: A machine is very efficient. What does this mean? A It produces a large amount of power. B It uses very little energy. C It wastes very lit…Question 157: An object falls under gravity. What happens to the gravitational potential energy and to the kinetic energy of the object? gravitational po…46 / 79
Question 158: A student is testing four different electric motors. He measures the time it takes for a motor to lift either a heavy load or a light load …Question 159: A machine is very efficient. What does this mean? A It produces a large amount of power. B It uses very little energy. C It wastes very lit…Question 160: A body is lifted against gravity. Which equation shows the work done on the body? A work done = change in distance moved by the body B work…47 / 79
Question 161: A night storage heater contains a large block of material that is heated electrically during the night. During the day the block cools down…Question 162: A battery stores chemical potential energy. The battery is connected to a resistor. As the battery runs down, what happens to its chemical …Question 163: Brakes are used to slow down a moving car. Into which form of energy is most of the kinetic energy converted as the car slows down? A chemi…Question 164: Which does not transfer useful energy? A emitting a sound wave B measuring a temperature C passing an electric current D pushing a box alon…48 / 79
Question 165: The power output from solar panels is recorded every day for a month. The graph shows the output recorded. power output 1 2 3 4 5 6 7 8 9 1…Question 166: Brakes are used to slow down a moving car. Into which form of energy is most of the kinetic energy converted as the car slows down? A chemi…Question 167: What is the unit of thermal energy? A °C B N C J D WQuestion 168: Which source of energy is non-renewable? A oil B solar C tidal D windQuestion 169: Brakes are used to slow down a moving car. Into which form of energy is most of the kinetic energy converted as the car slows down? A chemi…49 / 79
Question 170: Three situations are listed. 1 someone blowing air into a party balloon 2 a crane lifting a block of concrete 3 a pile of books at rest on …Question 171: A boy lifts a brick from the ground and places it at rest on a higher shelf. He does 30 J of work against gravity. Which row correctly desc…Question 172: A resistor is connected to a battery. There is a current in the resistor. What is the main energy change? A Chemical energy is converted in…50 / 79
Question 173: The diagram shows part of a rollercoaster ride with the car at different positions. The car runs freely down from position X to position Y …Question 174: Student P uses a force of 35 N to push a box 3.0 m across the floor. Student Q uses a force of 22 N to push another box 1.8 m across the fl…51 / 79
Question 175: A man can either take an escalator or a lift to travel up between two floors in a hotel. escalator lift The escalator takes 20 seconds to c…Question 176: Which energy resource is not renewable? A geothermal B nuclear fission C solar D windQuestion 177: Two motors X and Y lift loads of the same weight through the same vertical distance. Motor X is more efficient than motor Y. Which statemen…52 / 79
Question 178: A man can either take an escalator or a lift to travel up between two floors in a hotel. escalator lift The escalator takes 20 seconds to c…53 / 79
Question 179: A mass bounces up and down on a steel spring. The diagram shows the mass and the spring at different points during the motion. mass mass hi…Question 180: Which energy resource stores kinetic energy? A coal B nuclear fission C solar D wind54 / 79
Question 181: A man can either take an escalator or a lift to travel up between two floors in a hotel. escalator lift The escalator takes 20 seconds to c…Question 182: A man jumps from a stationary balloon. After falling several hundred metres, he opens his parachute. At which position is his kinetic energ…55 / 79
Question 183: The arrows show an outline of the processes in an oil-fired power station. oil is burnt  turns turbine  turns generator  output tr…Question 184: To calculate the power produced by a force, the size of the force must be known. What else needs to be known to calculate the power? the …Question 185: Two wind farms supply electrical energy to consumers in different ways. Wind farm 1 supplies energy directly to consumers and for every 100…Question 186: Work is done. Which physical quantity is transferred? A distance B energy C force D temperature56 / 79
Question 187: To calculate the power produced by a force, the size of the force must be known. What else needs to be known to calculate the power? the …Question 188: The diagram shows a frictionless pendulum. pendulum bob P R Q The pendulum bob swings from point P through point Q to point R then back to …Question 189: Which statement correctly compares the production of electricity using wind and the production of electricity using nuclear fission? A Wind…Question 190: To calculate the power produced by a force, the size of the force must be known. What else needs to be known to calculate the power? the …57 / 79
Question 191: Which energy source boils water to make steam in power stations? A energy from tides B energy from waves C hydroelectric energy D nuclear e…Question 192: A horizontal force pulls a box along a horizontal surface. The box gains 30 J of kinetic energy and 10 J of thermal energy is produced by t…Question 193: The table shows the work done and the time taken by four machines. Which machine is the most powerful? work done time taken / kJ / s A 100 …Question 194: An object is falling through a vacuum. Which energy transfer is taking place? A gravitational potential to kinetic B gravitational potentia…Question 195: This question is about four methods used to produce electrical energy. Which method has a correct description? energy source emits method i…58 / 79
Question 196: Two men, X and Y, try to move identical heavy boxes, P and Q. Man X tries to push box P along the floor. The box does not move because an o…Question 197: The graph shows the total energy transferred by an electric motor over a period of time. In which region of the graph is the greatest power…Question 198: Electrical energy may be obtained from nuclear fission. In which order is the energy transferred in this process? A nuclear fuel  genera…59 / 79
Question 199: The diagram shows an electric circuit. When the switch is closed, the lamp is lit. Which row states the type of energy stored in the cell a…Question 200: A scientist uses an electric motor to lift a load through a vertical distance of 2.0 m. He then increases the input power to the motor and …Question 201: A student carries out an investigation by pulling four different boxes across the floor. The results are shown in the table. On which box i…60 / 79
Question 202: Electrical energy may be obtained from nuclear fission. In which order is the energy transferred in this process? A nuclear fuel  genera…Question 203: A stone falls. Which row gives the energy changes? gravitational kinetic energy potential energy A decreases decreases B decreases increase…Question 204: A rope, connected to a pulley system and motor, is used to lift different objects through different distances. The time taken to lift each …61 / 79
Question 205: A weightlifter picks up a stone ball and places it on a shelf. Each lift takes the same time. Which situation requires the greatest power? …Question 206: Electrical energy may be obtained from nuclear fission. In which order is the energy transferred in this process? A nuclear fuel  genera…Question 207: A person lifts a book from floor level to a shelf. It falls to the floor and a second person lifts it back up to the shelf. Which statement…62 / 79
Question 208: A man, attached to an elastic cord, jumps from a platform. He falls 60 m before starting to rise. The length of the unextended cord is 30 m…Question 209: A child pushes a toy car along a horizontal surface and then releases it. As the car slows down, what is the main energy transfer? A from c…Question 210: Energy resources are used to produce electricity. Which resource is non-renewable? A hydroelectric B nuclear fission C waves D windQuestion 211: The diagrams show four appliances and their power ratings. Which appliance transfers the most energy per second? A B C D iron TV toaster wa…63 / 79
Question 212: Some ice is slowly heated and its temperature is measured. A graph is plotted of temperature against time. 100 temperature /°C «xX , 0 —1…Question 213: A mass hangs vertically from a spring. The mass is raised to a point P and is then released. The mass oscillates repeatedly between point P…Question 214: A force F acts on an object and the object moves a distance d in the direction of the force. What is the work done on the object? F d F  d…64 / 79
Question 215: A tennis ball is dropped from position 1. It falls vertically onto a hard surface at position 2. tennis ball position 1 position 2 Which en…Question 216: A force does work moving an object in the direction of the force. Which change in the force and distance always increases the work done? fo…Question 217: In which form is energy stored by stretching a spring? A chemical energy B elastic potential energy C gravitational potential energy D ther…Question 218: What is meant by the power of an engine? A the energy that the engine transfers per unit time B the maximum force that the engine can exert…65 / 79
Question 219: An object falls towards the Earth’s surface. What happens to the gravitational potential energy and to the kinetic energy of the object? gr…Question 220: Which source of energy is not currently used to generate electrical energy? A nuclear fusion B solar C tidal D wavesQuestion 221: A mass is lifted from rest on the ground to Y. There is no air resistance. Y P is the increase in gravitational energy of the mass. Q is th…Question 222: An object falls towards the Earth’s surface. What happens to the gravitational potential energy and to the kinetic energy of the object? gr…Question 223: What is the unit of work? A J B N C N / kg D W66 / 79
Question 224: In some situations, a force does work. Which set of conditions increases the quantity of work done by the force? magnitude distance moved o…Question 225: Which force produces heating during contact with a moving object? A weight B friction C electrostatic force D magnetic forceQuestion 226: Which power station produces the greatest atmospheric pollution for each unit of energy generated? A a gas fired power station B a hydroele…Question 227: A 500 N weight is raised through a height of 5 cm. How much work is done by the force? A 25 J B 100 J C 2500 J D 10 000 JQuestion 228: What is the unit of power? A joule B newton C volt D watt67 / 79
Question 229: The diagram shows a circuit. Which energy transfers occur? A battery → lamp → surrounding air B battery → surrounding air → battery C lamp …Question 230: Which row about the change of energy in the energy store must be correct? change of process energy store energy in store A water pumped up …Question 231: A rock of weight 50 N falls a vertical distance of 7.0 m from rest. What is the change in the gravitational potential energy store of the r…Question 232: A child runs up a set of stairs four times. The time taken for each run is recorded. Which time is measured when the child’s useful power i…68 / 79
Question 233: The diagram shows the energy stores for a mobile (cell) phone and how the energy is transferred between stores. internal heating energy che…Question 234: A moving object is brought to rest by a resistive force of 50 N over a distance of 5.0 m. What is the work done by the force? A 0.10 J B 10…Question 235: Which two physical quantities must be used to calculate the power developed by a student running up a flight of steps? A force exerted and …Question 236: A lamp rated 12 V, 2.0 A is switched on for 60 s. How much energy is transferred? A 0.40 J B 10 J C 360 J D 1400 JQuestion 237: A bicycle braking system transfers energy from a kinetic energy store to an internal energy store. A motor converts energy from a chemical …Question 238: A toy car is pushed a distance of 2.4 m with a force equal to 460 N. How much energy is transferred? A 190 J B 190 W C 1100 J D 1100 W69 / 79
Question 239: The engine of a motor vehicle develops a large power. Which statement is correct? A The driving force acting on the vehicle must be large. …Question 240: A cyclist travels down a hill from rest at point X without pedalling. The cyclist applies his brakes and the cycle stops at point Y. X hill…Question 241: Which energy resource is non-renewable? A geothermal B natural gas C solar D windQuestion 242: A pump does 460 000 J of work to raise water to fill a tank. It takes 7 minutes to fill the tank. What is the power of the pump? A 1.1 kW B…70 / 79
Question 243: The diagram shows part of a rollercoaster ride with the car at different positions. The car runs freely down from position X to position Y …Question 244: In a small power station, biofuel is used to generate electricity. Which energy store is reduced by this process? A chemical B kinetic C nu…Question 245: An electric car is charged overnight. In 8.0 hours, 180 MJ of energy is transferred. What is the power of the charger? A 6.3 kW B 380 kW C …71 / 79
Question 246: A mass bounces up and down on a steel spring. The diagram shows the mass and the spring at different points during the motion. mass mass hi…Question 247: Electrical power is generated from different resources. Some of these resources are listed. ● chemical energy stored in biofuels ● chemical…Question 248: A microwave oven is rated at 900 watts. Which statement correctly describes the meaning of this value? A 900 joules are transferred every s…72 / 79
Question 249: Three situations are listed. 1 someone blowing air into a party balloon 2 a crane lifting a block of concrete 3 a pile of books at rest on …Question 250: Which row describes an advantage and a disadvantage of wind turbines? advantage disadvantage A no fuel needed harmful gases released B vari…Question 251: A cyclist stops his bicycle using the brakes. Which row about energy stores is correct? decreases increases A kinetic energy store of bicyc…Question 252: A man applies a force of 40 N to push a box along the floor. 40 N 4.0 m How much power is required to push the box 4.0 m in 3.0 seconds? A …Question 253: Four electric motors do the same quantity of work when they lift a weight of 10 N through the same distance. The times taken by each motor …73 / 79
Question 254: In a famous experiment, a scientist showed that, when water in an insulated tub is stirred, its temperature increases. What can be conclude…Question 255: There is a current I in a resistor for a time t. The potential difference (p.d) across the resistor is V. What does the product IVt represe…Question 256: A moving object is brought to rest by a frictional force of 30 N over a distance of 5.0 m. The diagram shows the energy transferred between…Question 257: A motor transfers 24 J of energy in 60 seconds. What is the power output of the motor? A 0.40 W B 2.5 W C 24 W D 1400 WQuestion 258: A metal object is heated strongly in an oven. What happens to the volume of the object and the internal energy stored in the object? volume…74 / 79
Question 259: A 60 W lamp operates at normal brightness for 2.0 minutes. How much energy is transferred by the lamp? A 0.50 J B 30 J C 120 J D 7200 JQuestion 260: A builder lifts one concrete block from the ground onto a platform. blocks platform 2.6 m 2.1 m ground The weight of one block is 170 N. Wh…Question 261: Students are asked for examples of water being used to store energy. Three examples are listed. 1 energy stored in water waves 2 energy sto…Question 262: Which statement about power is correct? A Power is measured in joules. B Power = energy  time. C Power is the rate of energy transfer. D G…75 / 79
Question 263: The diagram shows a force of 12 N being used to push a box up a slope. The box is moved 8.0 m along the slope. This lifts the box through a…Question 264: Which energy resource is non-renewable? A biofuel B energy from the Sun C nuclear fuel D water behind a damQuestion 265: What is the relationship between the power of a motor, the force exerted by the motor, the distance moved by the force and the time taken? …Question 266: A lamp is rated 240 V, 0.40 A. The lamp operates at normal brightness for 1.0 min. How much energy does the lamp transfer? A 60 J B 96 J C …Question 267: Which equation relates the work done W on an object by a force F when it moves a distance d ? F d W A d = WF B d = W C F = W D F = dQuestion 268: A boy produces an average useful power output of 60 W as he rides his bicycle for 2.0 minutes. How much useful energy does he transfer? A 0…76 / 79
Question 269: There is a current I in a resistor. The potential difference (p.d.) across the resistor is V. What does the product IV represent? A the cha…Question 270: The potential difference (p.d.) across a car headlamp is 12 V. The current in the lamp is 2.5 A. How much energy is transferred by the lamp…Question 271: A mattress placed on a bed contains many compression springs. compression springs mattress bed Which energy store of the mattress increases…Question 272: Which energy resource does not contain a store of chemical energy? A biofuel B coal C nuclear fuel D oilQuestion 273: A person carries 20 tiles from the ground to the roof of a house. Each tile has a mass of 1.2 kg. The roof of the house is 15 m above the g…Question 274: The work done W by a force is related to the magnitude F of the force and the distance d moved in the direction of the force. Which equatio…77 / 79
Question 275: Which energy resource requires a power station with a boiler to produce steam when generating electricity? A coal B tides C water behind a …Question 276: The work done W by a force is related to the magnitude F of the force and the distance d moved in the direction of the force. Which equatio…Question 277: Which energy resource requires a power station with a boiler to produce steam when generating electricity? A coal B tides C water behind a …Question 278: A stone has a gravitational energy store equal to 46 J. When the stone falls in air, it does 21 J of work against air resistance. What is t…Question 279: Which physical quantity is transferred when work is done? A distance B energy C force D temperatureQuestion 280: When an object falls freely due to gravity, energy that was stored as gravitational potential energy is transferred to the kinetic energy s…78 / 79
Question 281: A woman pushes a mower across a lawn. Which quantities does the woman use to calculate the work she does? A distance, force and time B dist…Question 282: There is a current of 2.0 A in a resistor for a time of 30 s. The potential difference (p.d.) across the resistor is 12 V. How much energy …79 / 79

Mark scheme282 answers

Answers below. Sit the paper first if you are practising.

Pastlit

Physics 0625 · Energy, work and power — Paper 1

IGCSE · topical answer key — answer key (teacher use)

Question

Answer

Marks

1C1
2D1
3B1
4B1
5D1
6B1
7A1
8B1
9D1
10C1
11D1
12B1
13D1
14C1
15A1
16D1
17B1
18C1
19C1
20D1
21C1
22C1
23D1
24A1
25A1
26A1
27A1
28C1
29B1
30B1
31C1
32B1
33C1
34D1
35B1
36D1
37D1
38D1
39B1
40D1
41D1
42B1
43D1
44C1
45B1
46B1
47D1
48C1
49D1
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Pastlit

Physics 0625 · Energy, work and power — Paper 1

IGCSE · topical answer key — answer key (teacher use)

Question

Answer

Marks

50C1
51B1
52C1
53C1
54C1
55A1
56C1
57C1
58B1
59D1
60B1
61D1
62A1
63C1
64A1
65C1
66C1
67C1
68C1
69A1
70B1
71D1
72B1
73B1
74B1
75B1
76B1
77D1
78A1
79C1
80B1
81C1
82D1
83A1
84C1
85D1
86A1
87A1
88A1
89B1
90B1
91B1
92D1
93D1
94D1
95C1
96D1
97B1
98D1
2 / 6

Pastlit

Physics 0625 · Energy, work and power — Paper 1

IGCSE · topical answer key — answer key (teacher use)

Question

Answer

Marks

99C1
100C1
101D1
102A1
103B1
104B1
105D1
106B1
107D1
108D1
109B1
110B1
111B1
112A1
113C1
114A1
115A1
116C1
117A1
118A1
119D1
120A1
121C1
122C1
123A1
124D1
125C1
126B1
127D1
128C1
129D1
130C1
131B1
132B1
133B1
134C1
135B1
136D1
137A1
138C1
139D1
140C1
141D1
142B1
143C1
144C1
145C1
146C1
147C1
3 / 6

Pastlit

Physics 0625 · Energy, work and power — Paper 1

IGCSE · topical answer key — answer key (teacher use)

Question

Answer

Marks

148D1
149C1
150B1
151B1
152D1
153C1
154D1
155A1
156C1
157B1
158A1
159C1
160B1
161A1
162A1
163C1
164B1
165A1
166C1
167C1
168A1
169C1
170B1
171C1
172A1
173C1
174B1
175C1
176B1
177D1
178C1
179D1
180D1
181C1
182B1
183B1
184A1
185B1
186B1
187A1
188D1
189B1
190A1
191D1
192D1
193C1
194A1
195A1
196D1
4 / 6

Pastlit

Physics 0625 · Energy, work and power — Paper 1

IGCSE · topical answer key — answer key (teacher use)

Question

Answer

Marks

197B1
198D1
199A1
200B1
201D1
202D1
203B1
204A1
205B1
206D1
207A1
208C1
209D1
210B1
211D1
212B1
213A1
214C1
215B1
216A1
217B1
218A1
219B1
220A1
221A1
222B1
223A1
224C1
225B1
226A1
227A1
228D1
229A1
230A1
231B1
232A1
233A1
234D1
235D1
236D1
237D1
238C1
239C1
240A1
241B1
242A1
243C1
244A1
245A1
5 / 6

Pastlit

Physics 0625 · Energy, work and power — Paper 1

IGCSE · topical answer key — answer key (teacher use)

Question

Answer

Marks

246D1
247C1
248A1
249B1
250C1
251B1
252C1
253A1
254C1
255B1
256D1
257A1
258D1
259D1
260A1
261A1
262C1
263D1
264C1
265D1
266D1
267D1
268D1
269C1
270C1
271C1
272C1
273D1
274D1
275A1
276D1
277A1
278B1
279B1
280D1
281B1
282D1
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Questions as text

Q1 · What is designed to change electrical energy into kinetic energy? 0625/11 May/June 2005

9 What is designed to change electrical energy into kinetic energy? A capacitor B generator C motor D transformer

1 marks

Answer: C

This question in 0625/11 May/June 2005

Q2 · A power station uses nuclear fission to obtain energy 0625/11 May/June 2005

10 A power station uses nuclear fission to obtain energy. In this process, nuclear energy is first changed into A chemical energy. B electrical energy. C gravitational energy. D internal energy.

1 marks

Answer: D

This question in 0625/11 May/June 2005

Q3 · A ball is released from rest and rolls down a track from the position shown 0625/11 May/June 2005

11 A ball is released from rest and rolls down a track from the position shown. What is the furthest position the ball could reach? ball C starts here B D A

1 marks

Answer: B

This question in 0625/11 May/June 2005

Q4 · Which type of power station does not use steam from boiling water to generate electricity? 0625/11 Oct/Nov 2005

9 Which type of power station does not use steam from boiling water to generate electricity? A geothermal B hydroelectric C nuclear D oil-fired

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2005

Q5 · A man standing at the top of a cliff throws a stone 0625/11 Oct/Nov 2005

10 A man standing at the top of a cliff throws a stone. X Y Which forms of energy does the stone have at X and at Y? energy at X energy at Y A gravitational only kinetic only B kinetic only gravitational only C gravitational only gravitational and kinetic D gravitational and kinetic gravitational and kinetic

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2005

Q6 · Which form of energy do we receive directly from the Sun? 0625/11 May/June 2006

9 Which form of energy do we receive directly from the Sun? A chemical B light C nuclear D sound

1 marks

Answer: B

This question in 0625/11 May/June 2006

Q7 · A labourer on a building site lifts a heavy concrete block onto a lorry 0625/11 May/June 2006

10 A labourer on a building site lifts a heavy concrete block onto a lorry. He then lifts a light block the same distance in the same time. Which of the following is true? work done in lifting the power exerted by labourer blocks A less for the light block less for the light block B less for the light block the same for both blocks C more for the light block more for the light block D the same for both blocks more for the light block

1 marks

Answer: A

This question in 0625/11 May/June 2006

Q8 · Which form of energy is used to generate electrical energy in a tidal power station? 0625/11 May/June 2007

10 Which form of energy is used to generate electrical energy in a tidal power station? A chemical energy B gravitational energy C internal energy (thermal energy) D nuclear energy

1 marks

Answer: B

This question in 0625/11 May/June 2007

Q9 · Which line in the table gives an example of the stated form of energy? 0625/11 May/June 2007

11 Which line in the table gives an example of the stated form of energy? form of energy example A gravitational the energy due to the movement of a train B internal the energy due to the flow of cathode rays in a cathode ray tube C kinetic the energy due to the position of a swimmer standing on a high diving board D strain the energy due to the compression of springs in a car seat

1 marks

Answer: D

This question in 0625/11 May/June 2007

Q10 · A person uses chemical energy to run up some stairs 0625/11 Oct/Nov 2007

11 A person uses chemical energy to run up some stairs. She stops at the top of the stairs. What has the chemical energy been converted to when she is at the top of the stairs? A kinetic energy and gravitational energy B kinetic energy and strain energy C gravitational energy and heat energy D strain energy and heat energy

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2007

Q11 · Electrical energy may be obtained from nuclear fission 0625/11 Oct/Nov 2007

12 Electrical energy may be obtained from nuclear fission. In what order is the energy transferred in this process? A nuclear fuel → generator → reactor and boiler → turbines B nuclear fuel → generator → turbines → reactor and boiler C nuclear fuel → reactor and boiler → generator → turbines D nuclear fuel → reactor and boiler → turbines → generator

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2007

Q12 · How is electricity transmitted over large distances and why is it transmitted in this way? 0625/11 Oct/Nov 2007

35 How is electricity transmitted over large distances and why is it transmitted in this way? how why A at high voltage for safety B at high voltage to reduce energy loss C at low voltage for safety D at low voltage to reduce energy loss

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2007

Q13 · A stone is thrown from the edge of a cliff 0625/11 May/June 2008

10 A stone is thrown from the edge of a cliff. Its path is shown in the diagram. 2 1 3 ground In which position does the stone have its greatest kinetic energy and in which position does it have its least gravitational energy? greatest kinetic least gravitational energy energy A 1 2 B 2 3 C 3 1 D 3 3

1 marks

Answer: D

This question in 0625/11 May/June 2008

Q14 · A worker is lifting boxes of identical weight from the ground onto a moving belt 0625/11 May/June 2008

11 A worker is lifting boxes of identical weight from the ground onto a moving belt. At first, it takes him 2 s to lift each box. Later in the day, it takes him 3 s. Which statement is correct? A Later in the day, less work is done in lifting each box. B Later in the day, more work is done in lifting each box. C Later in the day, less power is developed in lifting each box. D Later in the day, more power is developed in lifting each box.

1 marks

Answer: C

This question in 0625/11 May/June 2008

Q15 · The diagram shows water stored behind a dam 0625/11 Oct/Nov 2008

10 The diagram shows water stored behind a dam. dam water turbine generator water The water flows to a turbine and turns a generator. Which sequence for the conversion of energy is correct? A gravitational energy → kinetic energy → electrical energy B kinetic energy → gravitational energy → electrical energy C gravitational energy → electrical energy → kinetic energy D kinetic energy → electrical energy → gravitational energy

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2008

Q16 · A rubber ball is dropped from a height of 2 m on to a table 0625/11 Oct/Nov 2008

11 A rubber ball is dropped from a height of 2 m on to a table. Whilst in contact with the table, some of its energy is converted into internal energy. What is the highest possible point the ball could reach after bouncing? 4 m A height B ball released from this height C 2 m D 0 table

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2008

Q17 · Two different systems are used to transmit equal amounts of electrical power from one… 0625/11 Oct/Nov 2008

34 Two different systems are used to transmit equal amounts of electrical power from one building to another. One system uses low voltage and the other uses high voltage. Both systems use identical wires. Which line in the table is correct about which system wastes least energy and why? least energy wasted why A high voltage system the current in the wires is bigger B high voltage system the current in the wires is smaller C low voltage system the current in the wires is bigger D low voltage system the current in the wires is smaller

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2008

Q18 · Electricity can be obtained from different energy resources 0625/11 May/June 2009

9 Electricity can be obtained from different energy resources. Which energy resource is used to obtain electricity without producing heat to boil water? A coal B geothermal C hydroelectric D nuclear

1 marks

Answer: C

This question in 0625/11 May/June 2009

Q19 · Four people of equal weight on a beach use different routes to get to the top of a sea… 0625/11 May/June 2009

10 Four people of equal weight on a beach use different routes to get to the top of a sea wall. pavement slipway sea wall beach Which person produces the greatest average power? person route time taken A runs across the beach, then climbs the ladder 8 s B walks across the beach, then climbs the ladder 16 s C runs up the slipway 5 s D walks up the slipway 10 s

1 marks

Answer: C

This question in 0625/11 May/June 2009

Q20 · The diagram shows a microphone being used in an interview 0625/11 Oct/Nov 2009

9 The diagram shows a microphone being used in an interview. microphone Which energy change takes place in the microphone? input energy output energy A chemical electrical B electrical chemical C electrical sound D sound electrical

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2009

Q21 · The table shows the times taken for four children to run up a set of stairs 0625/11 Oct/Nov 2009

10 The table shows the times taken for four children to run up a set of stairs. Which child’s power is greatest? mass of child / kg time / s A 40 10 B 40 20 C 60 10 D 60 20

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2009

Q22 · The table shows the times taken for four children to run up a set of stairs 0625/12 Oct/Nov 2009

9 The table shows the times taken for four children to run up a set of stairs. Which child’s power is greatest? mass of child / kg time / s A 40 10 B 40 20 C 60 10 D 60 20

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2009

Q23 · The diagram shows a microphone being used in an interview 0625/12 Oct/Nov 2009

10 The diagram shows a microphone being used in an interview. microphone Which energy change takes place in the microphone? input energy output energy A chemical electrical B electrical chemical C electrical sound D sound electrical

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2009

Q24 · Energy is stored in a battery and in a box of matches 0625/11 May/June 2010

10 Energy is stored in a battery and in a box of matches. Which type of energy is stored in each of them? a battery a box of matches A chemical chemical B chemical internal (thermal) C electrical chemical D electrical internal (thermal)

1 marks

Answer: A

This question in 0625/11 May/June 2010

Q25 · A man lifts 20 bricks, each of weight 6 N 0625/11 May/June 2010

11 A man lifts 20 bricks, each of weight 6 N. What other information is needed to calculate the useful work done in lifting the bricks? A the distance he lifts the bricks B the mass of the bricks C the time taken to lift the bricks D the volume of the bricks

1 marks

Answer: A

This question in 0625/11 May/June 2010

Q26 · A man lifts 20 bricks, each of weight 6 N 0625/12 May/June 2010

10 A man lifts 20 bricks, each of weight 6 N. What other information is needed to calculate the useful work done in lifting the bricks? A the distance he lifts the bricks B the mass of the bricks C the time taken to lift the bricks D the volume of the bricks

1 marks

Answer: A

This question in 0625/12 May/June 2010

Q27 · Energy is stored in a battery and in a box of matches 0625/12 May/June 2010

14 Energy is stored in a battery and in a box of matches. Which type of energy is stored in each of them? a battery a box of matches A chemical chemical B chemical internal (thermal) C electrical chemical D electrical internal (thermal)

1 marks

Answer: A

This question in 0625/12 May/June 2010

Q28 · Which of these is designed to change electrical energy into kinetic energy? 0625/11 Oct/Nov 2010

10 Which of these is designed to change electrical energy into kinetic energy? A a capacitor B a generator C a motor D a transformer

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2010

Q29 · A car is driven on a long journey along a flat, horizontal road 0625/11 Oct/Nov 2010

11 A car is driven on a long journey along a flat, horizontal road. The car stops several times on the journey and its engine becomes hot. Which type of energy does not change during the journey? A the chemical energy in the fuel tank B the gravitational energy of the car C the internal (thermal) energy of the engine D the kinetic energy of the car

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2010

Q30 · A car is driven on a long journey along a flat, horizontal road 0625/12 Oct/Nov 2010

8 A car is driven on a long journey along a flat, horizontal road. The car stops several times on the journey and its engine becomes hot. Which type of energy does not change during the journey? A the chemical energy in the fuel tank B the gravitational energy of the car C the internal (thermal) energy of the engine D the kinetic energy of the car

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2010

Q31 · Which of these is designed to change electrical energy into kinetic energy? 0625/12 Oct/Nov 2010

25 Which of these is designed to change electrical energy into kinetic energy? A a capacitor B a generator C a motor D a transformer

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2010

Q32 · A car is driven on a long journey along a flat, horizontal road 0625/13 Oct/Nov 2010

12 A car is driven on a long journey along a flat, horizontal road. The car stops several times on the journey and its engine becomes hot. Which type of energy does not change during the journey? A the chemical energy in the fuel tank B the gravitational energy of the car C the internal (thermal) energy of the engine D the kinetic energy of the car

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2010

Q33 · Which of these is designed to change electrical energy into kinetic energy? 0625/13 Oct/Nov 2010

13 Which of these is designed to change electrical energy into kinetic energy? A a capacitor B a generator C a motor D a transformer

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2010

Q34 · Which row gives an example of the stated form of energy? 0625/11 May/June 2011

8 Which row gives an example of the stated form of energy? form of energy example A gravitational the energy due to the movement of a train along a level track B internal the energy due to the flow of cathode rays in a cathode-ray tube C kinetic the energy due to the position of a swimmer standing on a high diving board D strain the energy due to the compression of springs in a car seat

1 marks

Answer: D

This question in 0625/11 May/June 2011

Q35 · Which energy resource is used to generate electricity by first boiling water? 0625/11 May/June 2011

9 Which energy resource is used to generate electricity by first boiling water? A hydroelectric B nuclear fission C tides D waves

1 marks

Answer: B

This question in 0625/11 May/June 2011

Q36 · Two farmers use an electrically powered elevator to lift bales of hay 0625/11 May/June 2011

10 Two farmers use an electrically powered elevator to lift bales of hay. All the bales of hay have the same mass. bale of hay As sunset approaches, they increase the speed of the motor so that more bales are lifted up in a given time. How does this affect the work done in lifting each bale and the useful output power of the motor? work done in useful output power lifting each bale of the motor A increases decreases B increases increases C no change decreases D no change increases

1 marks

Answer: D

This question in 0625/11 May/June 2011

Q37 · Which row gives an example of the stated form of energy? 0625/12 May/June 2011

15 Which row gives an example of the stated form of energy? form of energy example A gravitational the energy due to the movement of a train along a level track B internal the energy due to the flow of cathode rays in a cathode-ray tube C kinetic the energy due to the position of a swimmer standing on a high diving board D strain the energy due to the compression of springs in a car seat

1 marks

Answer: D

This question in 0625/12 May/June 2011

Q38 · Two farmers use an electrically powered elevator to lift bales of hay 0625/12 May/June 2011

17 Two farmers use an electrically powered elevator to lift bales of hay. All the bales of hay have the same mass. bale of hay As sunset approaches, they increase the speed of the motor so that more bales are lifted up in a given time. How does this affect the work done in lifting each bale and the useful output power of the motor? work done in useful output power lifting each bale of the motor A increases decreases B increases increases C no change decreases D no change increases

1 marks

Answer: D

This question in 0625/12 May/June 2011

Q39 · Which energy resource is used to generate electricity by first boiling water? 0625/12 May/June 2011

18 Which energy resource is used to generate electricity by first boiling water? A hydroelectric B nuclear fission C tides D waves

1 marks

Answer: B

This question in 0625/12 May/June 2011

Q40 · Which row gives an example of the stated form of energy? 0625/13 May/June 2011

15 Which row gives an example of the stated form of energy? form of energy example A gravitational the energy due to the movement of a train along a level track B internal the energy due to the flow of cathode rays in a cathode-ray tube C kinetic the energy due to the position of a swimmer standing on a high diving board D strain the energy due to the compression of springs in a car seat

1 marks

Answer: D

This question in 0625/13 May/June 2011

Q41 · Two farmers use an electrically powered elevator to lift bales of hay 0625/13 May/June 2011

17 Two farmers use an electrically powered elevator to lift bales of hay. All the bales of hay have the same mass. bale of hay As sunset approaches, they increase the speed of the motor so that more bales are lifted up in a given time. How does this affect the work done in lifting each bale and the useful output power of the motor? work done in useful output power lifting each bale of the motor A increases decreases B increases increases C no change decreases D no change increases

1 marks

Answer: D

This question in 0625/13 May/June 2011

Q42 · Which energy resource is used to generate electricity by first boiling water? 0625/13 May/June 2011

18 Which energy resource is used to generate electricity by first boiling water? A hydroelectric B nuclear fission C tides D waves

1 marks

Answer: B

This question in 0625/13 May/June 2011

Q43 · A power station uses nuclear fission to obtain energy 0625/11 Oct/Nov 2012

9 A power station uses nuclear fission to obtain energy. In this process, nuclear energy is first changed into A chemical energy. B electrical energy. C gravitational energy. D thermal (heat) energy.

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2012

Q44 · A person lifts boxes of equal weight on to a platform 0625/11 Oct/Nov 2012

10 A person lifts boxes of equal weight on to a platform. boxes platform Which quantity will not affect the work done by the person? A the height of the platform above the ground B the number of boxes lifted C the time taken to lift the boxes D the weight of the boxes

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2012

Q45 · A skier walks from the bottom of a ski slope to the top and gains 10 000 J of… 0625/11 Oct/Nov 2012

11 A skier walks from the bottom of a ski slope to the top and gains 10 000 J of gravitational potential energy. She skis down the slope. At the bottom of the slope, her kinetic energy is 2000 J. How much energy was converted into thermal energy and sound energy as the skier moved down the slope? A 2000 J B 8000 J C 10 000 J D 12 000 J

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2012

Q46 · A skier walks from the bottom of a ski slope to the top and gains 10 000 J of… 0625/12 Oct/Nov 2012

12 A skier walks from the bottom of a ski slope to the top and gains 10 000 J of gravitational potential energy. She skis down the slope. At the bottom of the slope, her kinetic energy is 2000 J. How much energy was converted into thermal energy and sound energy as the skier moved down the slope? A 2000 J B 8000 J C 10 000 J D 12 000 J

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2012

Q47 · A power station uses nuclear fission to obtain energy 0625/12 Oct/Nov 2012

13 A power station uses nuclear fission to obtain energy. In this process, nuclear energy is first changed into A chemical energy. B electrical energy. C gravitational energy. D thermal (heat) energy.

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2012

Q48 · A person lifts boxes of equal weight on to a platform 0625/12 Oct/Nov 2012

14 A person lifts boxes of equal weight on to a platform. boxes platform Which quantity will not affect the work done by the person? A the height of the platform above the ground B the number of boxes lifted C the time taken to lift the boxes D the weight of the boxes

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2012

Q49 · A power station uses nuclear fission to obtain energy 0625/13 Oct/Nov 2012

9 A power station uses nuclear fission to obtain energy. In this process, nuclear energy is first changed into A chemical energy. B electrical energy. C gravitational energy. D thermal (heat) energy.

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2012

Q50 · A person lifts boxes of equal weight on to a platform 0625/13 Oct/Nov 2012

10 A person lifts boxes of equal weight on to a platform. boxes platform Which quantity will not affect the work done by the person? A the height of the platform above the ground B the number of boxes lifted C the time taken to lift the boxes D the weight of the boxes

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2012

Q51 · A skier walks from the bottom of a ski slope to the top and gains 10 000 J of… 0625/13 Oct/Nov 2012

11 A skier walks from the bottom of a ski slope to the top and gains 10 000 J of gravitational potential energy. She skis down the slope. At the bottom of the slope, her kinetic energy is 2000 J. How much energy was converted into thermal energy and sound energy as the skier moved down the slope? A 2000 J B 8000 J C 10 000 J D 12 000 J

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2012

Q52 · The diagram shows a hydroelectric system 0625/11 May/June 2013

9 The diagram shows a hydroelectric system. reservoir pipe water power station What are the main energy changes taking place? A chemical energy → kinetic energy → electrical energy B electrical energy → gravitational energy → kinetic energy C gravitational energy → kinetic energy → electrical energy D kinetic energy → electrical energy → gravitational energy

1 marks

Answer: C

This question in 0625/11 May/June 2013

Q53 · An escalator (moving stairs) and a lift (elevator) are both used to carry passengers from… 0625/11 May/June 2013

10 An escalator (moving stairs) and a lift (elevator) are both used to carry passengers from the same underground railway platform up to street level. escalator lift The escalator takes 20 seconds to carry a man to street level. The useful work done is W. The useful power developed is P. The lift takes 30 seconds to carry the same man to street level. How much useful work is done by the lift, and how much useful power is developed by the lift? useful work useful power done by lift developed by lift A more than W less than P B more than W P C W less than P D W P

1 marks

Answer: C

This question in 0625/11 May/June 2013

Q54 · The diagram shows a hydroelectric system 0625/12 May/June 2013

9 The diagram shows a hydroelectric system. reservoir pipe water power station What are the main energy changes taking place? A chemical energy → kinetic energy → electrical energy B electrical energy → gravitational energy → kinetic energy C gravitational energy → kinetic energy → electrical energy D kinetic energy → electrical energy → gravitational energy

1 marks

Answer: C

This question in 0625/12 May/June 2013

Q55 · A car moves along a level road at constant speed 0625/12 May/June 2013

10 A car moves along a level road at constant speed. Work is done by the engine and power is developed by the engine. Which pair of graphs shows how the work done and the power developed vary with time? A B work power work power 0 0 0 0 0 time 0 time 0 time 0 time C D work power work power 0 0 0 0 0 time 0 time 0 time 0 time

1 marks

Answer: A

This question in 0625/12 May/June 2013

Q56 · The diagram shows a hydroelectric system 0625/13 May/June 2013

8 The diagram shows a hydroelectric system. reservoir pipe water power station What are the main energy changes taking place? A chemical energy → kinetic energy → electrical energy B electrical energy → gravitational energy → kinetic energy C gravitational energy → kinetic energy → electrical energy D kinetic energy → electrical energy → gravitational energy

1 marks

Answer: C

This question in 0625/13 May/June 2013

Q57 · An escalator (moving stairs) and a lift (elevator) are both used to carry passengers from… 0625/13 May/June 2013

11 An escalator (moving stairs) and a lift (elevator) are both used to carry passengers from the same underground railway platform up to street level. escalator lift The escalator takes 20 seconds to carry a man to street level. The useful work done is W. The useful power developed is P. The lift takes 30 seconds to carry the same man to street level. How much useful work is done by the lift, and how much useful power is developed by the lift? useful work useful power done by lift developed by lift A more than W less than P B more than W P C W less than P D W P

1 marks

Answer: C

This question in 0625/13 May/June 2013

Q58 · Some energy sources are reliably available at all times, and some are not 0625/11 Oct/Nov 2013

9 Some energy sources are reliably available at all times, and some are not. Which row shows three sources all in their correct columns? available at all times not available at all times A geothermal nuclear fission, solar B geothermal, nuclear fission solar C solar, nuclear fission geothermal D solar nuclear fission, geothermal

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2013

Q59 · A woman in a factory has to lift a box on to a shelf 0625/11 Oct/Nov 2013

10 A woman in a factory has to lift a box on to a shelf. high shelf box low shelf Which action involves the woman in doing the least amount of work? A lifting the box quickly to the high shelf B lifting the box slowly to the high shelf C lifting the box to the low shelf first then lifting it to the high shelf D lifting the box to the low shelf instead of to the high shelf

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2013

Q60 · Some energy sources are reliably available at all times, and some are not 0625/12 Oct/Nov 2013

9 Some energy sources are reliably available at all times, and some are not. Which row shows three sources all in their correct columns? available at all times not available at all times A geothermal nuclear fission, solar B geothermal, nuclear fission solar C solar, nuclear fission geothermal D solar nuclear fission, geothermal

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2013

Q61 · A woman in a factory has to lift a box on to a shelf 0625/12 Oct/Nov 2013

10 A woman in a factory has to lift a box on to a shelf. high shelf box low shelf Which action involves the woman in doing the least amount of work? A lifting the box quickly to the high shelf B lifting the box slowly to the high shelf C lifting the box to the low shelf first then lifting it to the high shelf D lifting the box to the low shelf instead of to the high shelf

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2013

Q62 · An aeroplane is landing 0625/13 Oct/Nov 2013

9 An aeroplane is landing. As it descends towards the runway, its speed reduces. What are the energy changes that take place during the descent? A kinetic + gravitational → thermal (heat) B kinetic → gravitational + thermal (heat) C kinetic + thermal (heat) → gravitational D thermal (heat) → kinetic + gravitational

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2013

Q63 · Energy from uranium is transferred to electrical energy in a nuclear power station 0625/13 Oct/Nov 2013

10 Energy from uranium is transferred to electrical energy in a nuclear power station. What is the correct order of the stages of this process? A boiler → generator → reactor → turbine B generator → boiler → turbine → reactor C reactor → boiler → turbine → generator D reactor → turbine → boiler → generator

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2013

Q64 · Which energy transfer takes place when a matchstick burns? 0625/11 May/June 2014

8 Which energy transfer takes place when a matchstick burns? A chemical to thermal B chemical to nuclear C nuclear to chemical D thermal to chemical

1 marks

Answer: A

This question in 0625/11 May/June 2014

Q65 · Four cars are driven along a road 0625/11 May/June 2014

9 Four cars are driven along a road. The table shows the work done by the engine in each car and the time taken by each car. Which engine produces the most power? work done by time taken / s engine / J A 50 000 20 B 50 000 40 C 100 000 20 D 100 000 40

1 marks

Answer: C

This question in 0625/11 May/June 2014

Q66 · In a hydroelectric power station, one form of energy is stored in a lake or reservoir 0625/12 May/June 2014

8 In a hydroelectric power station, one form of energy is stored in a lake or reservoir. This energy is then transferred in stages to another useful form, which is the output. Which row gives the name of the stored energy and the name of the output energy? stored energy output energy A electrical thermal (heat) B electrical kinetic C gravitational electrical D kinetic electrical

1 marks

Answer: C

This question in 0625/12 May/June 2014

Q67 · A certain machine is very efficient 0625/12 May/June 2014

9 A certain machine is very efficient. What does this mean? A It produces a large amount of power. B It uses very little energy. C It wastes very little energy. D It works very quickly.

1 marks

Answer: C

This question in 0625/12 May/June 2014

Q68 · Four cars are driven along a road 0625/13 May/June 2014

10 Four cars are driven along a road. The table shows the work done by the engine in each car and the time taken by each car. Which engine produces the most power? work done by time taken / s engine / J A 50 000 20 B 50 000 40 C 100 000 20 D 100 000 40

1 marks

Answer: C

This question in 0625/13 May/June 2014

Q69 · Which energy transfer takes place when a matchstick burns? 0625/13 May/June 2014

11 Which energy transfer takes place when a matchstick burns? A chemical to thermal B chemical to nuclear C nuclear to chemical D thermal to chemical

1 marks

Answer: A

This question in 0625/13 May/June 2014

Q70 · The list contains three energy resources P, Q and R 0625/11 Oct/Nov 2014

9 The list contains three energy resources P, Q and R. P geothermal energy from hot rocks Q nuclear fission in reactors R sunlight on solar panels Which of these resources are renewable? A P and Q only B P and R only C Q and R only D P, Q and R

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2014

Q71 · Which movement will require the greatest amount of work to be done? 0625/11 Oct/Nov 2014

11 Which movement will require the greatest amount of work to be done? A a force of 10 N moving an object a distance of 3.0 m B a force of 10 N moving an object a distance of 5.0 m C a force of 15 N moving an object a distance of 3.0 m D a force of 15 N moving an object a distance of 5.0 m

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2014

Q72 · Which row gives the unit for energy and the unit for electromotive force (e.m.f.)? 0625/11 Oct/Nov 2014

28 Which row gives the unit for energy and the unit for electromotive force (e.m.f.)? energy e.m.f. A J N B J V C W N D W V

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2014

Q73 · The diagram shows cables used in the transmission of electrical energy 0625/11 Oct/Nov 2014

34 The diagram shows cables used in the transmission of electrical energy. High voltages are used for the transmission. transmission cables power station Why are high voltages used for the transmission of electrical energy? A Fear of high voltages stops people from interfering with the cables. B Heat loss in the cables is smaller than if low voltages are used. C High voltages increase the current in the cables. D High voltages produce large magnetic fields, so less insulation is needed.

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2014

Q74 · The list contains three energy resources P, Q and R 0625/12 Oct/Nov 2014

11 The list contains three energy resources P, Q and R. P geothermal energy from hot rocks Q nuclear fission in reactors R sunlight on solar panels Which of these resources are renewable? A P and Q only B P and R only C Q and R only D P, Q and R

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2014

Q75 · The diagram shows cables used in the transmission of electrical energy 0625/12 Oct/Nov 2014

20 The diagram shows cables used in the transmission of electrical energy. High voltages are used for the transmission. transmission cables power station Why are high voltages used for the transmission of electrical energy? A Fear of high voltages stops people from interfering with the cables. B Heat loss in the cables is smaller than if low voltages are used. C High voltages increase the current in the cables. D High voltages produce large magnetic fields, so less insulation is needed.

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2014

Q76 · Which row gives the unit for energy and the unit for electromotive force (e.m.f.)? 0625/12 Oct/Nov 2014

32 Which row gives the unit for energy and the unit for electromotive force (e.m.f.)? energy e.m.f. A J N B J V C W N D W V

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2014

Q77 · Which movement will require the greatest amount of work to be done? 0625/12 Oct/Nov 2014

34 Which movement will require the greatest amount of work to be done? A a force of 10 N moving an object a distance of 3.0 m B a force of 10 N moving an object a distance of 5.0 m C a force of 15 N moving an object a distance of 3.0 m D a force of 15 N moving an object a distance of 5.0 m

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2014

Q78 · When a bicycle lamp is switched on, what is the useful energy change within the battery? 0625/13 Oct/Nov 2014

9 When a bicycle lamp is switched on, what is the useful energy change within the battery? A chemical energy to electrical energy B electrical energy to chemical energy C electrical energy to light energy D light energy to chemical energy

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2014

Q79 · A student does some work by pulling a suitcase along a corridor 0625/13 Oct/Nov 2014

10 A student does some work by pulling a suitcase along a corridor. She now pulls a second suitcase along the corridor. Which row indicates that the student is now doing twice as much work? the force used the distance the to pull suitcase suitcase is pulled A is doubled is doubled B is doubled is halved C stays the same is doubled D stays the same is halved

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2014

Q80 · A helicopter takes off from the ground and rises vertically 0625/12 Feb/March 2015

8 A helicopter takes off from the ground and rises vertically. It then hovers at a constant height above the ground. Which sequence of energy changes takes place during the gain in height? A chemical → gravitational potential → kinetic B chemical → kinetic → gravitational potential C gravitational potential → chemical → kinetic D kinetic → chemical → gravitational potential

1 marks

Answer: B

This question in 0625/12 Feb/March 2015

Q81 · Four people of equal weight on a beach use different routes to get to the top of a sea… 0625/12 Feb/March 2015

9 Four people of equal weight on a beach use different routes to get to the top of a sea wall. ladder slipway sea wall beach Which person produces the greatest average power? person route time taken / s A runs across the beach, then climbs the ladder 8 B walks across the beach, then climbs the ladder 16 C runs up the slipway 5 D walks up the slipway 10

1 marks

Answer: C

This question in 0625/12 Feb/March 2015

Q82 · Which energy resource is used to generate electricity without using any moving parts? 0625/11 May/June 2015

8 Which energy resource is used to generate electricity without using any moving parts? A geothermal B hydroelectric C nuclear D solar

1 marks

Answer: D

This question in 0625/11 May/June 2015

Q83 · A cyclist travels down a hill from rest at point X, without pedalling 0625/11 May/June 2015

9 A cyclist travels down a hill from rest at point X, without pedalling. The cyclist applies his brakes and the cycle stops at point Y. X hill Y Which energy changes have taken place between X and Y? A gravitational potential → kinetic → thermal (heat) B gravitational potential → thermal (heat) → kinetic C kinetic → gravitational potential → thermal (heat) D kinetic → thermal (heat) → gravitational potential

1 marks

Answer: A

This question in 0625/11 May/June 2015

Q84 · What is an advantage of transmitting electricity at a high voltage? 0625/11 May/June 2015

35 What is an advantage of transmitting electricity at a high voltage? A It is faster. B It is safer. C Less energy is wasted. D Less equipment is needed.

1 marks

Answer: C

This question in 0625/11 May/June 2015

Q85 · Which source of energy involves the splitting of heavy atoms? 0625/12 May/June 2015

8 Which source of energy involves the splitting of heavy atoms? A chemical energy B geothermal energy C hydroelectric energy D nuclear energy

1 marks

Answer: D

This question in 0625/12 May/June 2015

Q86 · A cyclist travels down a hill from rest at point X, without pedalling 0625/12 May/June 2015

9 A cyclist travels down a hill from rest at point X, without pedalling. The cyclist applies his brakes and the cycle stops at point Y. X hill Y Which energy changes have taken place between X and Y? A gravitational potential → kinetic → thermal (heat) B gravitational potential → thermal (heat) → kinetic C kinetic → gravitational potential → thermal (heat) D kinetic → thermal (heat) → gravitational potential

1 marks

Answer: A

This question in 0625/12 May/June 2015

Q87 · Tocalculate the power produced by a force, the size of the force must be known 0625/13 May/June 2015

8 Tocalculate the power produced by a force, the size of the force must be known. What else needs to be known to calculate the power? the distance the force moves the object the time for which the force acts on the object 0 0O DW > v v x x v x v x key J/ = needed X = not needed

1 marks

Answer: A

This question in 0625/13 May/June 2015

Q88 · A cyclist travels down a hill from rest at point X, without pedalling 0625/13 May/June 2015

9 A cyclist travels down a hill from rest at point X, without pedalling. The cyclist applies his brakes and the cycle stops at point Y. X hill Y Which energy changes have taken place between X and Y? A gravitational potential → kinetic → thermal (heat) B gravitational potential → thermal (heat) → kinetic C kinetic → gravitational potential → thermal (heat) D kinetic → thermal (heat) → gravitational potential

1 marks

Answer: A

This question in 0625/13 May/June 2015

Q89 · Which form of energy is used to generate electrical energy in a tidal power station? 0625/14 May/June 2015

8 Which form of energy is used to generate electrical energy in a tidal power station? A chemical energy B gravitational energy C internal energy (thermal energy) D nuclear energy

1 marks

Answer: B

This question in 0625/14 May/June 2015

Q90 · Four different model steam engines each lift a 1.0 kg object from the same laboratory… 0625/14 May/June 2015

9 Four different model steam engines each lift a 1.0 kg object from the same laboratory floor to the same laboratory bench. Each engine takes a different time to lift the object. How does the most powerful engine compare with the other engines? speed of lifting useful work done object onto bench A faster more than other engines B faster same as other engines C slower less than other engines D slower same as other engines

1 marks

Answer: B

This question in 0625/14 May/June 2015

Q91 · What needs to be known to calculate the work done by a force acting on an object? 0625/11 Oct/Nov 2015

8 What needs to be known to calculate the work done by a force acting on an object? the distance the time for the size of the force . which the force the force moves the : acts object A v v Jv key B Jv Jv x J/ = needed Cc Jv x Jv X = not needed D Jv x x

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2015

Q92 · Electrical energy may be obtained from nuclear fission 0625/11 Oct/Nov 2015

9 Electrical energy may be obtained from nuclear fission. In which order is the energy transferred in this process? A nuclear fuel → generator → reactor and boiler → turbines B nuclear fuel → generator → turbines → reactor and boiler C nuclear fuel → reactor and boiler → generator → turbines D nuclear fuel → reactor and boiler → turbines → generator

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2015

Q93 · What is the unit of electrical power? 0625/11 Oct/Nov 2015

27 What is the unit of electrical power? A ampere B joule C volt D watt

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2015

Q94 · A step-up transformer is used before electricity is transmitted by overhead cables 0625/11 Oct/Nov 2015

34 A step-up transformer is used before electricity is transmitted by overhead cables. Which statement explains why the step-up transformer is used? A It increases the current to increase the speed at which the electricity travels. B It increases the current to reduce energy loss in the cables. C It increases the voltage to increase the speed at which the electricity travels. D It increases the voltage to reduce energy loss in the cables.

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2015

Q95 · A car is stationary at the top of a hill with the engine switched off 0625/12 Oct/Nov 2015

8 A car is stationary at the top of a hill with the engine switched off. The brakes are released and the car rolls down the hill. At which labelled point does the car have the greatest kinetic energy? Ignore friction. A B D C

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2015

Q96 · Electrical energy may be obtained from nuclear fission 0625/12 Oct/Nov 2015

9 Electrical energy may be obtained from nuclear fission. In which order is the energy transferred in this process? A nuclear fuel → generator → reactor and boiler → turbines B nuclear fuel → generator → turbines → reactor and boiler C nuclear fuel → reactor and boiler → generator → turbines D nuclear fuel → reactor and boiler → turbines → generator

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2015

Q97 · Which row gives the energy change in a battery and the energy change in a solar cell? 0625/13 Oct/Nov 2015

8 Which row gives the energy change in a battery and the energy change in a solar cell? battery solar cell A chemical to electrical electrical to light B chemical to electrical light to electrical C electrical to chemical electrical to light D electrical to chemical light to electrical

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2015

Q98 · Electrical energy may be obtained from nuclear fission 0625/13 Oct/Nov 2015

9 Electrical energy may be obtained from nuclear fission. In which order is the energy transferred in this process? A nuclear fuel → generator → reactor and boiler → turbines B nuclear fuel → generator → turbines → reactor and boiler C nuclear fuel → reactor and boiler → generator → turbines D nuclear fuel → reactor and boiler → turbines → generator

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2015

Q99 · Which quantities are measured in the same unit? 0625/12 Feb/March 2016

4 Which quantities are measured in the same unit? A energy, power and work B energy and power, but not work C energy and work, but not power D power and work, but not energy

1 marks

Answer: C

This question in 0625/12 Feb/March 2016

Q100 · The diagram shows a ball hanging on a string 0625/12 Feb/March 2016

9 The diagram shows a ball hanging on a string. The ball swings from point W to point Z and back to point W. ball W Z X Y Which statement about the ball is correct? A The kinetic energy of the ball is greatest at point W. B The kinetic energy of the ball is greatest at point X. C The kinetic energy of the ball is greatest at point Y. D The kinetic energy of the ball is the same at all points of the swing.

1 marks

Answer: C

This question in 0625/12 Feb/March 2016

Q101 · A person in a factory has to lift a box on to a shelf 0625/12 Feb/March 2016

10 A person in a factory has to lift a box on to a shelf. high shelf box low shelf Which action involves the person doing the least amount of work? A lifting the box quickly to the high shelf B lifting the box slowly to the high shelf C lifting the box to the low shelf first then lifting it to the high shelf D lifting the box to the low shelf instead of to the high shelf

1 marks

Answer: D

This question in 0625/12 Feb/March 2016

Q102 · Which is a non-renewable energy resource? 0625/12 Feb/March 2016

11 Which is a non-renewable energy resource? A coal B solar C tides D wind

1 marks

Answer: A

This question in 0625/12 Feb/March 2016

Q103 · A skier walks from the bottom of a ski slope to the top and gains 10 000 J of… 0625/11 May/June 2016

9 A skier walks from the bottom of a ski slope to the top and gains 10 000 J of gravitational potential energy. She skis down the slope. At the bottom of the slope, her kinetic energy is 2000 J. How much energy is dissipated in overcoming friction and air resistance as the skier moves down the slope? A 2000 J B 8000 J C 10 000 J D 12 000 J

1 marks

Answer: B

This question in 0625/11 May/June 2016

Q104 · A coal-fired power station generates electricity 0625/11 May/June 2016

10 A coal-fired power station generates electricity. Coal is burnt and the energy released is used to boil water. The steam from the water makes the generator move and this produces electricity. Which words are used to describe the energy stored in the coal and the energy of the moving generator? coal generator A chemical hydroelectric B chemical kinetic C geothermal hydroelectric D geothermal kinetic

1 marks

Answer: B

This question in 0625/11 May/June 2016

Q105 · Four different children run up the same set of stairs 0625/11 May/June 2016

11 Four different children run up the same set of stairs. For which child is the useful power to climb the stairs the greatest? mass of child / kg time taken / s A 40 15 B 50 25 C 60 25 D 70 15

1 marks

Answer: D

This question in 0625/11 May/June 2016

Q106 · A skier walks from the bottom of a ski slope to the top and gains 10 000 J of… 0625/12 May/June 2016

9 A skier walks from the bottom of a ski slope to the top and gains 10 000 J of gravitational potential energy. She skis down the slope. At the bottom of the slope, her kinetic energy is 2000 J. How much energy is dissipated in overcoming friction and air resistance as the skier moves down the slope? A 2000 J B 8000 J C 10 000 J D 12 000 J

1 marks

Answer: B

This question in 0625/12 May/June 2016

Q107 · Which energy source is one that is used to boil water to make steam in power stations? 0625/12 May/June 2016

10 Which energy source is one that is used to boil water to make steam in power stations? A energy from tides B energy from waves C hydroelectric energy D nuclear energy

1 marks

Answer: D

This question in 0625/12 May/June 2016

Q108 · In a factory, two men X and Y try to move identical heavy boxes P and Q 0625/12 May/June 2016

11 In a factory, two men X and Y try to move identical heavy boxes P and Q. Man X tries to push box P along the floor. The box does not move because an object is in the way. Man Y lifts box Q from the floor onto a shelf. shelf box P man X man Y direction of force object direction of force box Q Which man does the most work on the box, and which box gains the most energy? man doing box gaining most work most energy A X P B X Q C Y P D Y Q

1 marks

Answer: D

This question in 0625/12 May/June 2016

Q109 · A skier walks from the bottom of a ski slope to the top and gains 10 000 J of… 0625/13 May/June 2016

9 A skier walks from the bottom of a ski slope to the top and gains 10 000 J of gravitational potential energy. She skis down the slope. At the bottom of the slope, her kinetic energy is 2000 J. How much energy is dissipated in overcoming friction and air resistance as the skier moves down the slope? A 2000 J B 8000 J C 10 000 J D 12 000 J

1 marks

Answer: B

This question in 0625/13 May/June 2016

Q110 · Which energy source is renewable and reliably available at all times? 0625/13 May/June 2016

10 Which energy source is renewable and reliably available at all times? A coal B geothermal C nuclear D wind

1 marks

Answer: B

This question in 0625/13 May/June 2016

Q111 · Two workers are stacking cans on to a shelf in a shop 0625/13 May/June 2016

11 Two workers are stacking cans on to a shelf in a shop. The workers lift the same number of identical cans on to the same shelf from the same level. Worker P takes 3.0 minutes to lift the cans. Worker Q takes 4.0 minutes to lift the cans. Which statement about the workers is correct? A Worker P develops less useful power than worker Q. B Worker P develops more useful power than worker Q. C Worker P does less useful work than worker Q. D Worker P does more useful work than worker Q.

1 marks

Answer: B

This question in 0625/13 May/June 2016

Q112 · Which energy transfer takes place when petrol is burned? 0625/11 Oct/Nov 2016

9 Which energy transfer takes place when petrol is burned? A chemical to internal energy of surroundings (heat) B chemical to nuclear C gravitational potential to internal energy of surroundings (heat) D kinetic to chemical

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2016

Q113 · The box contains the names of eight different energy resources 0625/11 Oct/Nov 2016

10 The box contains the names of eight different energy resources. natural gas geothermal solar waves hydroelectric oil wind coal How many of these energy resources are renewable? A 3 B 4 C 5 D 6

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2016

Q114 · A child runs up a set of stairs four times 0625/11 Oct/Nov 2016

11 A child runs up a set of stairs four times. The time taken for each run is recorded. Which time is measured when the child’s useful power is greatest? A 10 s B 20 s C 30 s D 40 s

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2016

Q115 · What is the main energy change taking place in the battery of a mobile phone (cell phone)… 0625/12 Oct/Nov 2016

9 What is the main energy change taking place in the battery of a mobile phone (cell phone) as it is being charged but not used? A chemical energy increases B elastic energy increases C gravitational potential energy increases D kinetic energy increases

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2016

Q116 · Electricity can be generated using different energy resources 0625/12 Oct/Nov 2016

10 Electricity can be generated using different energy resources. Which energy resource is used to generate electricity without needing any moving parts? A geothermal B hydroelectric C solar D water waves

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2016

Q117 · A child runs up a set of stairs four times 0625/12 Oct/Nov 2016

11 A child runs up a set of stairs four times. The time taken for each run is recorded. Which time is measured when the child’s useful power is greatest? A 10 s B 20 s C 30 s D 40 s

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2016

Q118 · A ball is released from point X on a rough semicircular track 0625/13 Oct/Nov 2016

9 A ball is released from point X on a rough semicircular track. It comes to rest for an instant at point Y. The gravitational potential energy of the ball at point X is EX. The gravitational potential energy of the ball at point Y is EY. X Y Which equation relates the energy of the ball at point X to its energy at point Y? A EX = EY + work done against friction B EX = EY – work done against friction C EX + EY = work done against friction D EX + EY + work done against friction = 0

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2016

Q119 · Two cars P and Q have different engines 0625/13 Oct/Nov 2016

10 Two cars P and Q have different engines. The input power from the fuel is the same for both engines. The engine in car P is more efficient than the engine in car Q. Which statement about the cars or their engines must be true? A Car P has a higher maximum speed than car Q. B Car P has a lower maximum speed than car Q. C The engine in car P uses less energy per hour than the engine in car Q. D The engine in car P wastes less energy per hour than the engine in car Q.

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2016

Q120 · A child runs up a set of stairs four times 0625/13 Oct/Nov 2016

11 A child runs up a set of stairs four times. The time taken for each run is recorded. Which time is measured when the child’s useful power is greatest? A 10 s B 20 s C 30 s D 40 s

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2016

Q121 · A man can either take an escalator or a lift to travel up between two floors in a hotel 0625/12 Feb/March 2017

9 A man can either take an escalator or a lift to travel up between two floors in a hotel. escalator lift The escalator takes 20 seconds to carry the man between the two floors. The useful work done against gravity is W. The useful power developed is P. The lift takes 30 seconds to carry the same man between the same two floors. How much useful work against gravity is done by the lift, and how much useful power is developed by the lift? useful work useful power done against developed by lift gravity by lift A more than W less than P B more than W P C W less than P D W P

1 marks

Answer: C

This question in 0625/12 Feb/March 2017

Q122 · The engine of a motor vehicle develops a large amount of power 0625/12 Feb/March 2017

10 The engine of a motor vehicle develops a large amount of power. Which statement is correct? A The driving force acting on the vehicle must be large. B The engine must have a very large volume. C The engine must transfer large amounts of energy each second. D The vehicle must be very fast.

1 marks

Answer: C

This question in 0625/12 Feb/March 2017

Q123 · An air-conditioning unit, a lamp and an electric fire all receive electrical energy from… 0625/12 Feb/March 2017

31. An air-conditioning unit, a lamp and an electric fire all receive electrical energy from the mains supply. From which of these devices is all this energy eventually transferred to the surroundings? air- conditioning unit electric lamp fire J key ¥ = all energy transferred to surroundings X = not all energy transferred to surroundings v x x

1 marks

Answer: A

This question in 0625/12 Feb/March 2017

Q124 · Energy resources are used to generate electricity 0625/11 May/June 2017

9 Energy resources are used to generate electricity. Which resource is renewable and does not release carbon dioxide when being used to produce electricity? A biomass B nuclear C oil D wind

1 marks

Answer: D

This question in 0625/11 May/June 2017

Q125 · A student does some simple exercises 0625/11 May/June 2017

10 A student does some simple exercises. In which exercise is the most work done? A B lifting pushing through through 1 m 1 m against a frictional force of 4 N 1 kg 1 kg C D lifting pulling through through 2 m 2 m against a frictional force of 2 N 2 kg 2 kg

1 marks

Answer: C

This question in 0625/11 May/June 2017

Q126 · An energy resource is used to generate electrical energy 0625/12 May/June 2017

9 An energy resource is used to generate electrical energy. Which energy resource uses a transfer of gravitational potential energy to generate this electrical energy? A geothermal B hydroelectric C solar D wind

1 marks

Answer: B

This question in 0625/12 May/June 2017

Q127 · The diagrams show athletes training by stretching springs 0625/12 May/June 2017

10 The diagrams show athletes training by stretching springs. Each spring has the same stiffness. Which athlete does the most work? A B one spring stretched one spring stretched by 0.60 m by 0.80 m C D two springs stretched two springs stretched by 0.60 m by 0.80 m

1 marks

Answer: D

This question in 0625/12 May/June 2017

Q128 · In which power station are atoms of one element changed to atoms of other lighter… 0625/13 May/June 2017

9 In which power station are atoms of one element changed to atoms of other lighter elements? A a coal-fired power station B a hydroelectric power station C a nuclear power station D a solar power station

1 marks

Answer: C

This question in 0625/13 May/June 2017

Q129 · The diagrams show four different athletes training by doing pull-ups 0625/13 May/June 2017

10 The diagrams show four different athletes training by doing pull-ups. Which athlete does the most work? A B C D weight of weight of weight of weight of athlete = 700 N athlete = 700 N athlete = 800 N athlete = 800 N distance distance distance distance lifted = 0.50 m lifted = 0.55 m lifted = 0.50 m lifted = 0.55 m

1 marks

Answer: D

This question in 0625/13 May/June 2017

Q130 · A pendulum bob swings from W, through points X and Y, to Z and then back to W 0625/11 Oct/Nov 2017

10 A pendulum bob swings from W, through points X and Y, to Z and then back to W. W Z X Y Which statement is correct? A The gravitational potential energy of the bob is smallest at W. B The gravitational potential energy of the bob is smallest at X. C The gravitational potential energy of the bob is smallest at Y. D The gravitational potential energy of the bob is the same at all points of the swing.

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2017

Q131 · A student runs up a flight of stairs 0625/11 Oct/Nov 2017

11 A student runs up a flight of stairs. height length Which information is not needed to calculate the rate at which the student is doing work against gravity? A the height of the flight of stairs B the length of the flight of stairs C the time taken to run up the stairs D the weight of the student

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2017

Q132 · A load is attached to the end of a spring 0625/12 Oct/Nov 2017

10 A load is attached to the end of a spring. A student pulls the load down from its rest position and releases it. It oscillates vertically and eventually comes to rest. load load Which row gives the type of energy transferred to the apparatus, and the type of energy to which this has then been transferred when the load comes to rest? type of energy to which this type of energy transferred has then been transferred to the apparatus when the load comes to rest A elastic energy in the spring chemical energy in the spring and in the air B elastic energy in the spring thermal energy in the spring and in the air C gravitational potential chemical energy in the energy in the load spring and in the air D gravitational potential thermal energy in the energy in the load spring and in the air

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2017

Q133 · A student runs up a flight of stairs 0625/12 Oct/Nov 2017

11 A student runs up a flight of stairs. height length Which information is not needed to calculate the rate at which the student is doing work against gravity? A the height of the flight of stairs B the length of the flight of stairs C the time taken to run up the stairs D the weight of the student

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2017

Q134 · A toy car without a motor is moving at high speed along a track 0625/13 Oct/Nov 2017

10 A toy car without a motor is moving at high speed along a track. The toy car follows a vertical loop as shown. start Which row describes the changes that are taking place in the kinetic energy and in the gravitational potential energy of the car in the position shown? gravitational kinetic energy potential energy A decreasing decreasing B decreasing increasing C increasing decreasing D increasing increasing

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2017

Q135 · A student runs up a flight of stairs 0625/13 Oct/Nov 2017

11 A student runs up a flight of stairs. height length Which information is not needed to calculate the rate at which the student is doing work against gravity? A the height of the flight of stairs B the length of the flight of stairs C the time taken to run up the stairs D the weight of the student

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2017

Q136 · The diagram shows the energy transferred in a lamp in one second 0625/11 May/June 2018

10 The diagram shows the energy transferred in a lamp in one second. light energy out total energy in = 60 J = 100 J wasted energy out = 40 J Which type of wasted energy is produced by the lamp? A chemical potential energy B electrical energy C gravitational potential energy D thermal energy

1 marks

Answer: D

This question in 0625/11 May/June 2018

Q137 · Which energy resource is not renewable? 0625/11 May/June 2018

11 Which energy resource is not renewable? A fossil fuel B sunlight C tides D wind

1 marks

Answer: A

This question in 0625/11 May/June 2018

Q138 · A student does work by pulling a box across a horizontal floor 0625/11 May/June 2018

12 A student does work by pulling a box across a horizontal floor. She now pulls a second box along the same floor. Which row indicates that the student is now doing twice as much work? force used distance the to pull box box is pulled A is doubled is doubled B is doubled is halved C stays the same is doubled D stays the same is halved

1 marks

Answer: C

This question in 0625/11 May/June 2018

Q139 · Which source of energy is renewable? 0625/12 May/June 2018

10 Which source of energy is renewable? A coal B natural gas C oil D wind

1 marks

Answer: D

This question in 0625/12 May/June 2018

Q140 · A student does work by pulling a box across a horizontal floor 0625/12 May/June 2018

11 A student does work by pulling a box across a horizontal floor. She now pulls a second box along the same floor. Which row indicates that the student is now doing twice as much work? force used distance the to pull box box is pulled A is doubled is doubled B is doubled is halved C stays the same is doubled D stays the same is halved

1 marks

Answer: C

This question in 0625/12 May/June 2018

Q141 · An electrical heater transfers thermal energy to the surroundings 0625/12 May/June 2018

30 An electrical heater transfers thermal energy to the surroundings. The graph shows how the amount of thermal energy transferred varies with time. 400 thermal energy transferred / J 300 200 100 0 0 2.0 4.0 6.0 8.0 10.0 time / s The heater continues to transfer energy at the same rate. How much thermal energy is transferred by the heater in 5.0 minutes? A 200 J B 400 J C 2000 J D 12 000 J

1 marks

Answer: D

This question in 0625/12 May/June 2018

Q142 · Which method of drying clothes has the least impact on the environment? 0625/13 May/June 2018

8 Which method of drying clothes has the least impact on the environment? A Evaporate the water in them in an electrically heated tumble dryer. B Hang them on a washing line in direct sunlight. C Remove the water from them in an electric spin dryer. D Suspend them close to a coal fire.

1 marks

Answer: B

This question in 0625/13 May/June 2018

Q143 · A student does work by pulling a box across a horizontal floor 0625/13 May/June 2018

9 A student does work by pulling a box across a horizontal floor. She now pulls a second box along the same floor. Which row indicates that the student is now doing twice as much work? force used distance the to pull box box is pulled A is doubled is doubled B is doubled is halved C stays the same is doubled D stays the same is halved

1 marks

Answer: C

This question in 0625/13 May/June 2018

Q144 · A battery in an electric circuit is connected to a lamp 0625/13 May/June 2018

29 A battery in an electric circuit is connected to a lamp. Chemical energy in the battery is transferred to which other types of energy? A internal energy only B kinetic energy and sound energy C light energy and thermal energy D light energy only

1 marks

Answer: C

This question in 0625/13 May/June 2018

Q145 · Which device is designed to convert chemical energy into kinetic energy? 0625/11 Oct/Nov 2018

10 Which device is designed to convert chemical energy into kinetic energy? A an a.c. generator B a battery-powered torch C a car engine D a wind-up mechanical clock

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2018

Q146 · A man climbs a ladder 0625/11 Oct/Nov 2018

11 A man climbs a ladder. Which two quantities can be used to calculate the useful power of the man? A the weight of the man and the time taken only B the weight of the man and the vertical distance moved only C the work done by the man and the time taken only D the work done by the man and the vertical distance moved only

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2018

Q147 · Which device is designed to convert chemical energy into kinetic energy? 0625/12 Oct/Nov 2018

10 Which device is designed to convert chemical energy into kinetic energy? A an a.c. generator B a battery-powered torch C a car engine D a wind-up mechanical clock

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2018

Q148 · Which two physical quantities must be used to calculate the power developed by a student… 0625/12 Oct/Nov 2018

11 Which two physical quantities must be used to calculate the power developed by a student running up a flight of steps? A force exerted and the vertical height of the steps only B force exerted and the time taken only C work done and the vertical height of the steps only D work done and the time taken only

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2018

Q149 · Which device is designed to convert chemical energy into kinetic energy? 0625/13 Oct/Nov 2018

10 Which device is designed to convert chemical energy into kinetic energy? A an a.c. generator B a battery-powered torch C a car engine D a wind-up mechanical clock

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2018

Q150 · A weight hangs from a rope 0625/13 Oct/Nov 2018

11 A weight hangs from a rope. force weight In which case does the force do the most work on the weight? A The force raises the weight 1.0 m in 15 s. B The force raises the weight 2.0 m in 45 s. C The weight is held at the same level for 10 s. D The weight is held at the same level for 60 s.

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2018

Q151 · Which source of energy uses the production of steam to generate electrical energy? 0625/12 Feb/March 2019

10 Which source of energy uses the production of steam to generate electrical energy? A hydroelectric B nuclear C tides D waves

1 marks

Answer: B

This question in 0625/12 Feb/March 2019

Q152 · What is the unit of power? 0625/12 Feb/March 2019

11 What is the unit of power? A joule B newton C pascal D watt

1 marks

Answer: D

This question in 0625/12 Feb/March 2019

Q153 · A machine is very efficient 0625/11 May/June 2019

10 A machine is very efficient. What does this mean? A It produces a large amount of power. B It uses very little energy. C It wastes very little energy. D It works very quickly.

1 marks

Answer: C

This question in 0625/11 May/June 2019

Q154 · An object is lifted vertically by a motor 0625/11 May/June 2019

11 An object is lifted vertically by a motor. In which example is the power produced the greatest? A lifting it a shorter distance in a longer time B lifting it the same distance in a longer time C lifting it a shorter distance in the same time D lifting it the same distance in a shorter time

1 marks

Answer: D

This question in 0625/11 May/June 2019

Q155 · A night storage heater contains a large block of material that is heated electrically… 0625/11 May/June 2019

17 A night storage heater contains a large block of material that is heated electrically during the night. During the day the block cools down, releasing thermal energy into the room. Which thermal capacity and which night-time temperature increase will cause the most energy to be stored by the block? thermal capacity night-time of block temperature increase A large large B large small C small large D small small

1 marks

Answer: A

This question in 0625/11 May/June 2019

Q156 · A machine is very efficient 0625/12 May/June 2019

10 A machine is very efficient. What does this mean? A It produces a large amount of power. B It uses very little energy. C It wastes very little energy. D It works very quickly.

1 marks

Answer: C

This question in 0625/12 May/June 2019

Q157 · An object falls under gravity 0625/12 May/June 2019

11 An object falls under gravity. What happens to the gravitational potential energy and to the kinetic energy of the object? gravitational potential kinetic energy energy A decreases decreases B decreases increases C increases decreases D increases increases

1 marks

Answer: B

This question in 0625/12 May/June 2019

Q158 · A student is testing four different electric motors 0625/12 May/June 2019

12 A student is testing four different electric motors. He measures the time it takes for a motor to lift either a heavy load or a light load through a height of 1 metre. motor load He makes a similar measurement for the other three motors. The table shows his results. Which motor produces the most power? load time taken / s A heavy 12 B heavy 16 C light 12 D light 16

1 marks

Answer: A

This question in 0625/12 May/June 2019

Q159 · A machine is very efficient 0625/13 May/June 2019

10 A machine is very efficient. What does this mean? A It produces a large amount of power. B It uses very little energy. C It wastes very little energy. D It works very quickly.

1 marks

Answer: C

This question in 0625/13 May/June 2019

Q160 · A body is lifted against gravity 0625/13 May/June 2019

11 A body is lifted against gravity. Which equation shows the work done on the body? A work done = change in distance moved by the body B work done = change in energy of the body C work done = change in force on the body D work done = change in power of the body

1 marks

Answer: B

This question in 0625/13 May/June 2019

Q161 · A night storage heater contains a large block of material that is heated electrically… 0625/13 May/June 2019

17 A night storage heater contains a large block of material that is heated electrically during the night. During the day the block cools down, releasing thermal energy into the room. Which thermal capacity and which night-time temperature increase will cause the most energy to be stored by the block? thermal capacity night-time of block temperature increase A large large B large small C small large D small small

1 marks

Answer: A

This question in 0625/13 May/June 2019

Q162 · A battery stores chemical potential energy 0625/13 May/June 2019

31 A battery stores chemical potential energy. The battery is connected to a resistor. As the battery runs down, what happens to its chemical energy? The energy is transferred by and ends up as A electrical working internal energy in the resistor B electrical working potential energy in the resistor C mechanical working internal energy in the resistor D mechanical working potential energy in the resistor

1 marks

Answer: A

This question in 0625/13 May/June 2019

Q163 · Brakes are used to slow down a moving car 0625/11 Oct/Nov 2019

9 Brakes are used to slow down a moving car. Into which form of energy is most of the kinetic energy converted as the car slows down? A chemical B elastic C thermal D sound

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2019

Q164 · Which does not transfer useful energy? 0625/11 Oct/Nov 2019

10 Which does not transfer useful energy? A emitting a sound wave B measuring a temperature C passing an electric current D pushing a box along the floor

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2019

Q165 · The power output from solar panels is recorded every day for a month 0625/11 Oct/Nov 2019

11 The power output from solar panels is recorded every day for a month. The graph shows the output recorded. power output 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 day of the month Which conclusion can be drawn from this graph? A The power output from the solar panels changes from day to day. B The power output from the solar panels is cheap to produce. C Solar panels create no pollution. D Solar energy is renewable.

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2019

Q166 · Brakes are used to slow down a moving car 0625/12 Oct/Nov 2019

9 Brakes are used to slow down a moving car. Into which form of energy is most of the kinetic energy converted as the car slows down? A chemical B elastic C thermal D sound

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2019

Q167 · What is the unit of thermal energy? 0625/12 Oct/Nov 2019

10 What is the unit of thermal energy? A °C B N C J D W

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2019

Q168 · Which source of energy is non-renewable? 0625/12 Oct/Nov 2019

11 Which source of energy is non-renewable? A oil B solar C tidal D wind

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2019

Q169 · Brakes are used to slow down a moving car 0625/13 Oct/Nov 2019

9 Brakes are used to slow down a moving car. Into which form of energy is most of the kinetic energy converted as the car slows down? A chemical B elastic C thermal D sound

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2019

Q170 · Three situations are listed 0625/13 Oct/Nov 2019

10 Three situations are listed. 1 someone blowing air into a party balloon 2 a crane lifting a block of concrete 3 a pile of books at rest on a shelf In which situations is work being done? A 1 only B 1 and 2 only C 2 and 3 only D 1, 2 and 3

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2019

Q171 · A boy lifts a brick from the ground and places it at rest on a higher shelf 0625/13 Oct/Nov 2019

11 A boy lifts a brick from the ground and places it at rest on a higher shelf. He does 30 J of work against gravity. Which row correctly describes the final energies of the brick? gravitational potential kinetic energy gained energy gained by the brick by the brick / J / J A 0 30 B 15 15 C 30 0 D 27 3

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2019

Q172 · A resistor is connected to a battery 0625/13 Oct/Nov 2019

30 A resistor is connected to a battery. There is a current in the resistor. What is the main energy change? A Chemical energy is converted into thermal energy. B Chemical energy is converted into gravitational potential energy. C Nuclear energy is converted into thermal energy. D Nuclear energy is converted into gravitational potential energy.

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2019

Q173 · The diagram shows part of a rollercoaster ride with the car at different positions 0625/11 May/June 2020

9 The diagram shows part of a rollercoaster ride with the car at different positions. The car runs freely down from position X to position Y and up the hill on the other side. car X Y What happens to the kinetic energy and to the gravitational potential energy of the car as it moves from position X to position Y? gravitational kinetic energy potential energy A decreases decreases B decreases increases C increases decreases D increases increases

1 marks

Answer: C

This question in 0625/11 May/June 2020

Q174 · Student P uses a force of 35 N to push a box 3.0 m across the floor 0625/11 May/June 2020

10 Student P uses a force of 35 N to push a box 3.0 m across the floor. Student Q uses a force of 22 N to push another box 1.8 m across the floor. Which statement gives a full explanation why student P uses more energy than student Q? A Student P pushes his box a greater distance than student Q. B Student P pushes his box a greater distance and uses a bigger force than student Q. C Student P uses a bigger force than student Q. D Student P pushes a heavier box than student Q.

1 marks

Answer: B

This question in 0625/11 May/June 2020

Q175 · A man can either take an escalator or a lift to travel up between two floors in a hotel 0625/11 May/June 2020

11 A man can either take an escalator or a lift to travel up between two floors in a hotel. escalator lift The escalator takes 20 seconds to carry the man between the two floors. The useful work done against gravity is W. The useful power developed is P. The lift takes 30 seconds to carry the same man between the same two floors. How much useful work against gravity is done by the lift, and how much useful power is developed by the lift? useful work useful power done against developed by lift gravity by lift A more than W less than P B more than W P C W less than P D W P

1 marks

Answer: C

This question in 0625/11 May/June 2020

Q176 · Which energy resource is not renewable? 0625/12 May/June 2020

9 Which energy resource is not renewable? A geothermal B nuclear fission C solar D wind

1 marks

Answer: B

This question in 0625/12 May/June 2020

Q177 · Two motors X and Y lift loads of the same weight through the same vertical distance 0625/12 May/June 2020

10 Two motors X and Y lift loads of the same weight through the same vertical distance. Motor X is more efficient than motor Y. Which statement about the motors is correct? A The useful energy output of motor X is larger than that of motor Y. B The useful energy output of motor X is smaller than that of motor Y. C The energy input of motor X is larger than that of motor Y. D The energy input of motor X is smaller than that of motor Y.

1 marks

Answer: D

This question in 0625/12 May/June 2020

Q178 · A man can either take an escalator or a lift to travel up between two floors in a hotel 0625/12 May/June 2020

11 A man can either take an escalator or a lift to travel up between two floors in a hotel. escalator lift The escalator takes 20 seconds to carry the man between the two floors. The useful work done against gravity is W. The useful power developed is P. The lift takes 30 seconds to carry the same man between the same two floors. How much useful work against gravity is done by the lift, and how much useful power is developed by the lift? useful work useful power done against developed by lift gravity by lift A more than W less than P B more than W P C W less than P D W P

1 marks

Answer: C

This question in 0625/12 May/June 2020

Q179 · A mass bounces up and down on a steel spring 0625/13 May/June 2020

9 A mass bounces up and down on a steel spring. The diagram shows the mass and the spring at different points during the motion. mass mass highest moving moving point down up lowest point At which point does the mass have the least gravitational potential energy and at which point is the most elastic energy stored in the spring? least amount of most elastic energy gravitational stored in spring potential energy A mass moving down mass moving up B mass moving down lowest point C lowest point mass moving up D lowest point lowest point

1 marks

Answer: D

This question in 0625/13 May/June 2020

Q180 · Which energy resource stores kinetic energy? 0625/13 May/June 2020

10 Which energy resource stores kinetic energy? A coal B nuclear fission C solar D wind

1 marks

Answer: D

This question in 0625/13 May/June 2020

Q181 · A man can either take an escalator or a lift to travel up between two floors in a hotel 0625/13 May/June 2020

11 A man can either take an escalator or a lift to travel up between two floors in a hotel. escalator lift The escalator takes 20 seconds to carry the man between the two floors. The useful work done against gravity is W. The useful power developed is P. The lift takes 30 seconds to carry the same man between the same two floors. How much useful work against gravity is done by the lift, and how much useful power is developed by the lift? useful work useful power done against developed by lift gravity by lift A more than W less than P B more than W P C W less than P D W P

1 marks

Answer: C

This question in 0625/13 May/June 2020

Q182 · A man jumps from a stationary balloon 0625/11 Oct/Nov 2020

9 A man jumps from a stationary balloon. After falling several hundred metres, he opens his parachute. At which position is his kinetic energy greatest? A just after he jumps from the balloon B just before he opens his parachute C just after his parachute opens D just before he lands

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2020

Q183 · The arrows show an outline of the processes in an oil-fired power station 0625/11 Oct/Nov 2020

10 The arrows show an outline of the processes in an oil-fired power station. oil is burnt  turns turbine  turns generator  output transformer What are the processes for the transfer of energy between the turbine and the generator and between the generator and the output transformer? turbine to generator generator to output transformer A electrical working electrical working B mechanical working electrical working C mechanical working transfer of thermal energy D transfer of thermal energy mechanical working

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2020

Q184 · To calculate the power produced by a force, the size of the force must be known 0625/11 Oct/Nov 2020

11 To calculate the power produced by a force, the size of the force must be known. What else needs to be known to calculate the power? the distance that the force moves the object the time for which the force acts on the object 0 0O WwW D> v v x x v x v x key Jv = needed X = not needed

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2020

Q185 · Two wind farms supply electrical energy to consumers in different ways 0625/12 Oct/Nov 2020

9 Two wind farms supply electrical energy to consumers in different ways. Wind farm 1 supplies energy directly to consumers and for every 1000 J of energy extracted from the wind, 360 J is transferred to consumers as electrical energy. Wind farm 2 stores electrical energy in batteries and then supplies energy from the batteries to the consumer. For every 1000 J of energy extracted from the wind, 270 J is transferred to consumers as electrical energy. Which statement about the two wind farms is correct? A Wind farm 1 is less reliable and less efficient than wind farm 2. B Wind farm 1 is less reliable but more efficient than wind farm 2. C Wind farm 1 is more reliable but less efficient than wind farm 2. D Wind farm 1 is more reliable and more efficient than wind farm 2.

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2020

Question 186 0625/12 Oct/Nov 2020

10 Work is done. Which physical quantity is transferred? A distance B energy C force D temperature

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2020

Q187 · To calculate the power produced by a force, the size of the force must be known 0625/12 Oct/Nov 2020

11 To calculate the power produced by a force, the size of the force must be known. What else needs to be known to calculate the power? the distance that the force moves the object the time for which the force acts on the object 0 0O WwW > v v x x v x v x key Jv = needed X = not needed

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2020

Q188 · The diagram shows a frictionless pendulum 0625/13 Oct/Nov 2020

9 The diagram shows a frictionless pendulum. pendulum bob P R Q The pendulum bob swings from point P through point Q to point R then back to P. At which point is the energy of the pendulum bob greatest? A at point P B at point Q C at point R D it is the same at points P, Q and R

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2020

Q189 · Which statement correctly compares the production of electricity using wind and the… 0625/13 Oct/Nov 2020

10 Which statement correctly compares the production of electricity using wind and the production of electricity using nuclear fission? A Wind is less reliable than nuclear fission; both wind and nuclear fission are renewable. B Wind is less reliable than nuclear fission; wind is renewable, but nuclear fission is not. C Wind is more reliable than nuclear fission; both wind and nuclear fission are renewable. D Wind is more reliable than nuclear fission; wind is renewable, but nuclear fission is not.

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2020

Q190 · To calculate the power produced by a force, the size of the force must be known 0625/13 Oct/Nov 2020

11 To calculate the power produced by a force, the size of the force must be known. What else needs to be known to calculate the power? the distance that the force moves the object the time for which the force acts on the object 0 0O WwW D> v v x x v x v x key Jv = needed X = not needed

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2020

Q191 · Which energy source boils water to make steam in power stations? 0625/12 Feb/March 2021

8 Which energy source boils water to make steam in power stations? A energy from tides B energy from waves C hydroelectric energy D nuclear energy

1 marks

Answer: D

This question in 0625/12 Feb/March 2021

Q192 · A horizontal force pulls a box along a horizontal surface 0625/12 Feb/March 2021

10 A horizontal force pulls a box along a horizontal surface. The box gains 30 J of kinetic energy and 10 J of thermal energy is produced by the friction between the box and the surface. How much work is done by the force? A 10 J B 20 J C 30 J D 40 J

1 marks

Answer: D

This question in 0625/12 Feb/March 2021

Q193 · The table shows the work done and the time taken by four machines 0625/12 Feb/March 2021

11 The table shows the work done and the time taken by four machines. Which machine is the most powerful? work done time taken / kJ / s A 100 10 B 100 20 C 200 10 D 200 20

1 marks

Answer: C

This question in 0625/12 Feb/March 2021

Q194 · An object is falling through a vacuum 0625/12 May/June 2021

9 An object is falling through a vacuum. Which energy transfer is taking place? A gravitational potential to kinetic B gravitational potential to thermal C kinetic to gravitational potential D kinetic to thermal

1 marks

Answer: A

This question in 0625/12 May/June 2021

Q195 · This question is about four methods used to produce electrical energy 0625/12 May/June 2021

10 This question is about four methods used to produce electrical energy. Which method has a correct description? energy source emits method is renewable carbon dioxide A a hydroelectric power station yes no B a coal-fired power station no no C a wind turbine no yes D a nuclear power station yes yes

1 marks

Answer: A

This question in 0625/12 May/June 2021

Q196 · Two men, X and Y, try to move identical heavy boxes, P and Q 0625/12 May/June 2021

11 Two men, X and Y, try to move identical heavy boxes, P and Q. Man X tries to push box P along the floor. The box does not move because an object is in the way. Man Y lifts box Q from the floor onto a shelf. shelf box P man X man Y direction of force object direction of force box Q Which man does the most work on their box, and which box gains the most energy? man doing box gaining most work most energy A X P B X Q C Y P D Y Q

1 marks

Answer: D

This question in 0625/12 May/June 2021

Q197 · The graph shows the total energy transferred by an electric motor over a period of time 0625/11 Oct/Nov 2021

7 The graph shows the total energy transferred by an electric motor over a period of time. In which region of the graph is the greatest power being developed by the motor? D total energy C transferred B A 0 0 time

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2021

Q198 · Electrical energy may be obtained from nuclear fission 0625/11 Oct/Nov 2021

8 Electrical energy may be obtained from nuclear fission. In which order is the energy transferred in this process? A nuclear fuel  generator  reactor and boiler  turbines B nuclear fuel  generator  turbines  reactor and boiler C nuclear fuel  reactor and boiler  generator  turbines D nuclear fuel  reactor and boiler  turbines  generator

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2021

Q199 · The diagram shows an electric circuit 0625/11 Oct/Nov 2021

9 The diagram shows an electric circuit. When the switch is closed, the lamp is lit. Which row states the type of energy stored in the cell and how this energy is usefully transferred to the lamp? type of energy how this energy is usefully stored in the cell transferred to the lamp A chemical by electric current B chemical by light C electrical by electric current D electrical by light

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2021

Q200 · A scientist uses an electric motor to lift a load through a vertical distance of 2.0 m 0625/11 Oct/Nov 2021

10 A scientist uses an electric motor to lift a load through a vertical distance of 2.0 m. He then increases the input power to the motor and repeats the experiment. The efficiency of the motor does not change. Which row correctly describes the effect that this has on the useful work done lifting the load and the time taken to lift it? work done time taken A decreases decreases B stays the same decreases C decreases stays the same D stays the same stays the same

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2021

Q201 · A student carries out an investigation by pulling four different boxes across the floor 0625/12 Oct/Nov 2021

7 A student carries out an investigation by pulling four different boxes across the floor. The results are shown in the table. On which box is the most work done? frictional force needed distance moved to pull the box / N across the floor / m A 5 4 B 10 2 C 15 2 D 20 4

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2021

Q202 · Electrical energy may be obtained from nuclear fission 0625/12 Oct/Nov 2021

8 Electrical energy may be obtained from nuclear fission. In which order is the energy transferred in this process? A nuclear fuel  generator  reactor and boiler  turbines B nuclear fuel  generator  turbines  reactor and boiler C nuclear fuel  reactor and boiler  generator  turbines D nuclear fuel  reactor and boiler  turbines  generator

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2021

Question 203 0625/12 Oct/Nov 2021

9 A stone falls. Which row gives the energy changes? gravitational kinetic energy potential energy A decreases decreases B decreases increases C increases decreases D increases increases

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2021

Q204 · A rope, connected to a pulley system and motor, is used to lift different objects through… 0625/12 Oct/Nov 2021

10 A rope, connected to a pulley system and motor, is used to lift different objects through different distances. The time taken to lift each object is the same. The diagrams are not to scale. Which motor requires the greatest power? A B platform platform motor motor 2 m 3 m 10 kg 5 kg C D platform platform motor motor 1 m 3 m 10 kg 2 kg

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2021

Q205 · A weightlifter picks up a stone ball and places it on a shelf 0625/13 Oct/Nov 2021

7 A weightlifter picks up a stone ball and places it on a shelf. Each lift takes the same time. Which situation requires the greatest power? A B shelf shelf ball ball C D shelf shelf ball ball

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2021

Q206 · Electrical energy may be obtained from nuclear fission 0625/13 Oct/Nov 2021

8 Electrical energy may be obtained from nuclear fission. In which order is the energy transferred in this process? A nuclear fuel  generator  reactor and boiler  turbines B nuclear fuel  generator  turbines  reactor and boiler C nuclear fuel  reactor and boiler  generator  turbines D nuclear fuel  reactor and boiler  turbines  generator

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2021

Q207 · A person lifts a book from floor level to a shelf 0625/13 Oct/Nov 2021

9 A person lifts a book from floor level to a shelf. It falls to the floor and a second person lifts it back up to the shelf. Which statement must be correct? A The second person does the same work on the book as the first person. B The second person takes the same time as the first person. C The second person develops the same power as the first person. D The second person does the same work on the book as the first person, develops the same power and takes the same time.

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2021

Q208 · A man, attached to an elastic cord, jumps from a platform 0625/13 Oct/Nov 2021

10 A man, attached to an elastic cord, jumps from a platform. He falls 60 m before starting to rise. The length of the unextended cord is 30 m. The diagrams show four successive stages in his fall. In which position is elastic (strain) energy and kinetic energy present? A B C D 30 m 45 m 60 m

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2021

Q209 · A child pushes a toy car along a horizontal surface and then releases it 0625/12 Feb/March 2022

9 A child pushes a toy car along a horizontal surface and then releases it. As the car slows down, what is the main energy transfer? A from chemical to thermal B from chemical to kinetic C from kinetic to gravitational (potential) D from kinetic to thermal

1 marks

Answer: D

This question in 0625/12 Feb/March 2022

Q210 · Energy resources are used to produce electricity 0625/12 Feb/March 2022

10 Energy resources are used to produce electricity. Which resource is non-renewable? A hydroelectric B nuclear fission C waves D wind

1 marks

Answer: B

This question in 0625/12 Feb/March 2022

Q211 · The diagrams show four appliances and their power ratings 0625/12 Feb/March 2022

11 The diagrams show four appliances and their power ratings. Which appliance transfers the most energy per second? A B C D iron TV toaster washing machine 1.0 kW 150 W 800 W 3.0 kW

1 marks

Answer: D

This question in 0625/12 Feb/March 2022

Q212 · Some ice is slowly heated and its temperature is measured 0625/12 Feb/March 2022

17 Some ice is slowly heated and its temperature is measured. A graph is plotted of temperature against time. 100 temperature /°C «xX , 0 —10 time Which row describes what happens to the thermal energy and to the temperature in section X? thermal energy temperature of ice A gained by ice rises B gained by ice stays the same Cc not gained by ice rises D not gained by ice stays the same

1 marks

Answer: B

This question in 0625/12 Feb/March 2022

Q213 · A mass hangs vertically from a spring 0625/11 May/June 2022

9 A mass hangs vertically from a spring. The mass is raised to a point P and is then released. The mass oscillates repeatedly between point P and a lower point Q. Which energies alternately increase and decrease throughout the oscillations? A gravitational potential energy, kinetic energy and elastic energy B gravitational potential energy and kinetic energy only C gravitational potential energy, kinetic energy and internal energy D internal energy and elastic energy

1 marks

Answer: A

This question in 0625/11 May/June 2022

Q214 · A force F acts on an object and the object moves a distance d in the direction of the… 0625/11 May/June 2022

10 A force F acts on an object and the object moves a distance d in the direction of the force. What is the work done on the object? F d F  d 1 A B C D d F ( F  d )

1 marks

Answer: C

This question in 0625/11 May/June 2022

Q215 · A tennis ball is dropped from position 1 0625/12 May/June 2022

9 A tennis ball is dropped from position 1. It falls vertically onto a hard surface at position 2. tennis ball position 1 position 2 Which energy changes have taken place between position 1 and position 2? A gravitational potential  kinetic  chemical B gravitational potential  kinetic  elastic (strain) C kinetic  gravitational potential  chemical D kinetic  gravitational potential  elastic (strain)

1 marks

Answer: B

This question in 0625/12 May/June 2022

Q216 · A force does work moving an object in the direction of the force 0625/12 May/June 2022

10 A force does work moving an object in the direction of the force. Which change in the force and distance always increases the work done? force distance A greater same B greater smaller C same smaller D smaller smaller

1 marks

Answer: A

This question in 0625/12 May/June 2022

Q217 · In which form is energy stored by stretching a spring? 0625/13 May/June 2022

9 In which form is energy stored by stretching a spring? A chemical energy B elastic potential energy C gravitational potential energy D thermal energy

1 marks

Answer: B

This question in 0625/13 May/June 2022

Q218 · What is meant by the power of an engine? 0625/13 May/June 2022

10 What is meant by the power of an engine? A the energy that the engine transfers per unit time B the maximum force that the engine can exert C the maximum weight that the engine can lift D the total energy that the engine transfers

1 marks

Answer: A

This question in 0625/13 May/June 2022

Q219 · An object falls towards the Earth’s surface 0625/12 Oct/Nov 2022

8 An object falls towards the Earth’s surface. What happens to the gravitational potential energy and to the kinetic energy of the object? gravitational potential kinetic energy energy A decreases decreases B decreases increases C increases decreases D increases increases

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2022

Q220 · Which source of energy is not currently used to generate electrical energy? 0625/12 Oct/Nov 2022

9 Which source of energy is not currently used to generate electrical energy? A nuclear fusion B solar C tidal D waves

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2022

Q221 · A mass is lifted from rest on the ground to Y 0625/12 Oct/Nov 2022

10 A mass is lifted from rest on the ground to Y. There is no air resistance. Y P is the increase in gravitational energy of the mass. Q is the kinetic energy of the mass at Y. Which expression is equal to the mechanical work done on the mass? A P + Q B P – Q C Q – P D P × Q

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2022

Q222 · An object falls towards the Earth’s surface 0625/13 Oct/Nov 2022

8 An object falls towards the Earth’s surface. What happens to the gravitational potential energy and to the kinetic energy of the object? gravitational potential kinetic energy energy A decreases decreases B decreases increases C increases decreases D increases increases

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2022

Q223 · What is the unit of work? 0625/13 Oct/Nov 2022

9 What is the unit of work? A J B N C N / kg D W

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2022

Q224 · In some situations, a force does work 0625/13 Oct/Nov 2022

10 In some situations, a force does work. Which set of conditions increases the quantity of work done by the force? magnitude distance moved of force by the force A decreases decreases B decreases stays the same C increases increases D stays the same decreases

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2022

Q225 · Which force produces heating during contact with a moving object? 0625/12 Feb/March 2023

7 Which force produces heating during contact with a moving object? A weight B friction C electrostatic force D magnetic force

1 marks

Answer: B

This question in 0625/12 Feb/March 2023

Q226 · Which power station produces the greatest atmospheric pollution for each unit of energy… 0625/12 Feb/March 2023

10 Which power station produces the greatest atmospheric pollution for each unit of energy generated? A a gas fired power station B a hydroelectric power station C a nuclear power station D a wind farm

1 marks

Answer: A

This question in 0625/12 Feb/March 2023

Q227 · A 500 N weight is raised through a height of 5 cm 0625/12 Feb/March 2023

11 A 500 N weight is raised through a height of 5 cm. How much work is done by the force? A 25 J B 100 J C 2500 J D 10 000 J

1 marks

Answer: A

This question in 0625/12 Feb/March 2023

Q228 · What is the unit of power? 0625/12 Feb/March 2023

12 What is the unit of power? A joule B newton C volt D watt

1 marks

Answer: D

This question in 0625/12 Feb/March 2023

Q229 · The diagram shows a circuit 0625/12 Feb/March 2023

27 The diagram shows a circuit. Which energy transfers occur? A battery → lamp → surrounding air B battery → surrounding air → battery C lamp → surrounding air → battery D surrounding air → lamp → battery

1 marks

Answer: A

This question in 0625/12 Feb/March 2023

Q230 · Which row about the change of energy in the energy store must be correct? 0625/11 May/June 2023

10 Which row about the change of energy in the energy store must be correct? change of process energy store energy in store A water pumped up to a gravitational potential increases high-altitude dam energy of water B water pumped up to a kinetic energy decreases high-altitude dam of water C air passes through gravitational potential increases a wind turbine energy of air D air passes through kinetic energy increases a wind turbine of air

1 marks

Answer: A

This question in 0625/11 May/June 2023

Q231 · A rock of weight 50 N falls a vertical distance of 7.0 m from rest 0625/11 May/June 2023

11 A rock of weight 50 N falls a vertical distance of 7.0 m from rest. What is the change in the gravitational potential energy store of the rock? A decrease of 7.1 J B decrease of 350 J C increase of 7.1 J D increase of 350 J

1 marks

Answer: B

This question in 0625/11 May/June 2023

Q232 · A child runs up a set of stairs four times 0625/11 May/June 2023

12 A child runs up a set of stairs four times. The time taken for each run is recorded. Which time is measured when the child’s useful power is greatest? A 10 s B 20 s C 30 s D 40 s

1 marks

Answer: A

This question in 0625/11 May/June 2023

Q233 · The diagram shows the energy stores for a mobile (cell) phone and how the energy is… 0625/12 May/June 2023

10 The diagram shows the energy stores for a mobile (cell) phone and how the energy is transferred between stores. internal heating energy chemical ? energy kinetic sound energy What describes how the chemical energy is transferred? A electrical work done B mechanical work done C electromagnetic waves D sound waves

1 marks

Answer: A

This question in 0625/12 May/June 2023

Q234 · A moving object is brought to rest by a resistive force of 50 N over a distance of 5.0 m 0625/12 May/June 2023

11 A moving object is brought to rest by a resistive force of 50 N over a distance of 5.0 m. What is the work done by the force? A 0.10 J B 10 J C 55 J D 250 J

1 marks

Answer: D

This question in 0625/12 May/June 2023

Q235 · Which two physical quantities must be used to calculate the power developed by a student… 0625/12 May/June 2023

12 Which two physical quantities must be used to calculate the power developed by a student running up a flight of steps? A force exerted and the vertical height of the steps only B force exerted and the time taken only C work done and the vertical height of the steps only D work done and the time taken only

1 marks

Answer: D

This question in 0625/12 May/June 2023

Q236 · A lamp rated 12 V, 2.0 A is switched on for 60 s 0625/12 May/June 2023

27 A lamp rated 12 V, 2.0 A is switched on for 60 s. How much energy is transferred? A 0.40 J B 10 J C 360 J D 1400 J

1 marks

Answer: D

This question in 0625/12 May/June 2023

Q237 · A bicycle braking system transfers energy from a kinetic energy store to an internal… 0625/13 May/June 2023

10 A bicycle braking system transfers energy from a kinetic energy store to an internal energy store. A motor converts energy from a chemical energy store (battery) to a kinetic energy store. What enables these energy transfers? braking system motor A electrical work mechanical work B electrical work electrical work C mechanical work mechanical work D mechanical work electrical work

1 marks

Answer: D

This question in 0625/13 May/June 2023

Q238 · A toy car is pushed a distance of 2.4 m with a force equal to 460 N 0625/13 May/June 2023

11 A toy car is pushed a distance of 2.4 m with a force equal to 460 N. How much energy is transferred? A 190 J B 190 W C 1100 J D 1100 W

1 marks

Answer: C

This question in 0625/13 May/June 2023

Q239 · The engine of a motor vehicle develops a large power 0625/13 May/June 2023

12 The engine of a motor vehicle develops a large power. Which statement is correct? A The driving force acting on the vehicle must be large. B The engine must have a very large volume. C The engine must transfer large amounts of energy each second. D The vehicle must be very fast.

1 marks

Answer: C

This question in 0625/13 May/June 2023

Q240 · A cyclist travels down a hill from rest at point X without pedalling 0625/11 Oct/Nov 2023

8 A cyclist travels down a hill from rest at point X without pedalling. The cyclist applies his brakes and the cycle stops at point Y. X hill Y Which energy transfers have taken place between X and Y? A gravitational potential  kinetic  internal (thermal) B gravitational potential  internal (thermal)  kinetic C kinetic  gravitational potential  internal (thermal) D kinetic  internal (thermal)  gravitational potential

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2023

Q241 · Which energy resource is non-renewable? 0625/11 Oct/Nov 2023

9 Which energy resource is non-renewable? A geothermal B natural gas C solar D wind

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2023

Q242 · A pump does 460 000 J of work to raise water to fill a tank 0625/11 Oct/Nov 2023

10 A pump does 460 000 J of work to raise water to fill a tank. It takes 7 minutes to fill the tank. What is the power of the pump? A 1.1 kW B 66 kW C 3200 kW D 190 000 kW

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2023

Q243 · The diagram shows part of a rollercoaster ride with the car at different positions 0625/12 Oct/Nov 2023

8 The diagram shows part of a rollercoaster ride with the car at different positions. The car runs freely down from position X to position Y and up the hill on the other side. car X Y What happens to the energy in the kinetic store and the gravitational potential store of the car as it moves from position X to position Y? energy in energy in gravitational kinetic store potential store A decreases decreases B decreases increases C increases decreases D increases increases

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2023

Q244 · In a small power station, biofuel is used to generate electricity 0625/12 Oct/Nov 2023

9 In a small power station, biofuel is used to generate electricity. Which energy store is reduced by this process? A chemical B kinetic C nuclear D thermal

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2023

Q245 · An electric car is charged overnight 0625/12 Oct/Nov 2023

10 An electric car is charged overnight. In 8.0 hours, 180 MJ of energy is transferred. What is the power of the charger? A 6.3 kW B 380 kW C 23 MW D 1400 MW

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2023

Q246 · A mass bounces up and down on a steel spring 0625/13 Oct/Nov 2023

8 A mass bounces up and down on a steel spring. The diagram shows the mass and the spring at different points during the motion. mass mass highest moving moving point down up lowest point At which point is the least energy in the gravitational potential store of the mass and at which point is the most energy in the elastic store of the spring? least energy in most energy in gravitational potential the elastic store store of the mass of the spring A mass moving down mass moving up B mass moving down lowest point C lowest point mass moving up D lowest point lowest point

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2023

Q247 · Electrical power is generated from different resources 0625/13 Oct/Nov 2023

9 Electrical power is generated from different resources. Some of these resources are listed. ● chemical energy stored in biofuels ● chemical energy stored in fossil fuels ● energy stored in tides ● geothermal resources ● hydroelectric resources ● light from the Sun ● nuclear fuel How many of the resources listed are classified as renewable? A 3 B 4 C 5 D 6

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2023

Q248 · A microwave oven is rated at 900 watts 0625/13 Oct/Nov 2023

10 A microwave oven is rated at 900 watts. Which statement correctly describes the meaning of this value? A 900 joules are transferred every second. B 900 amperes are transferred every second. C 900 volts are transferred every second. D 900 ohms are transferred every second.

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2023

Q249 · Three situations are listed 0625/12 Feb/March 2024

6 Three situations are listed. 1 someone blowing air into a party balloon 2 a crane lifting a block of concrete 3 a pile of books at rest on a shelf In which situations is work being done? A 1, 2 and 3 B 1 and 2 only C 1 only D 2 and 3 only

1 marks

Answer: B

This question in 0625/12 Feb/March 2024

Q250 · Which row describes an advantage and a disadvantage of wind turbines? 0625/12 Feb/March 2024

7 Which row describes an advantage and a disadvantage of wind turbines? advantage disadvantage A no fuel needed harmful gases released B variable supply fuel needed C no harmful gases released variable supply D constant supply noisy

1 marks

Answer: C

This question in 0625/12 Feb/March 2024

Q251 · A cyclist stops his bicycle using the brakes 0625/11 May/June 2024

6 A cyclist stops his bicycle using the brakes. Which row about energy stores is correct? decreases increases A kinetic energy store of bicycle chemical energy store of brakes B kinetic energy store of bicycle thermal energy store of brakes C thermal energy store of brakes kinetic energy store of bicycle D thermal energy store of brakes chemical energy store of bicycle

1 marks

Answer: B

This question in 0625/11 May/June 2024

Q252 · A man applies a force of 40 N to push a box along the floor 0625/11 May/June 2024

7 A man applies a force of 40 N to push a box along the floor. 40 N 4.0 m How much power is required to push the box 4.0 m in 3.0 seconds? A 3.3 W B 30 W C 53 W D 480 W

1 marks

Answer: C

This question in 0625/11 May/June 2024

Q253 · Four electric motors do the same quantity of work when they lift a weight of 10 N through… 0625/13 May/June 2024

7 Four electric motors do the same quantity of work when they lift a weight of 10 N through the same distance. The times taken by each motor to lift the weight are shown. What is the time taken by the motor which produces the most power? A 1.5 s B 6.0 s C 15 s D 60 s

1 marks

Answer: A

This question in 0625/13 May/June 2024

Q254 · In a famous experiment, a scientist showed that, when water in an insulated tub is… 0625/13 May/June 2024

12 In a famous experiment, a scientist showed that, when water in an insulated tub is stirred, its temperature increases. What can be concluded from this experiment? A Temperature is a store of energy. B The water absorbs heat from the surroundings. C Work done by stirring increases the internal energy of the water. D Energy is not conserved.

1 marks

Answer: C

This question in 0625/13 May/June 2024

Q255 · There is a current I in a resistor for a time t 0625/13 May/June 2024

27 There is a current I in a resistor for a time t. The potential difference (p.d) across the resistor is V. What does the product IVt represent? A the charge flowing through the resistor B the energy transferred by the resistor C the power dissipated by the resistor D the resistance of the resistor

1 marks

Answer: B

This question in 0625/13 May/June 2024

Q256 · A moving object is brought to rest by a frictional force of 30 N over a distance of 5.0 m 0625/11 Oct/Nov 2024

9 A moving object is brought to rest by a frictional force of 30 N over a distance of 5.0 m. The diagram shows the energy transferred between stores. store of store of kinetic energy internal energy How much energy is transferred by this force and how is the energy transferred? how the energy energy transferred / J is transferred A 6.0 by electrical working B 6.0 by mechanical working C 150 by electrical working D 150 by mechanical working

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2024

Q257 · A motor transfers 24 J of energy in 60 seconds 0625/11 Oct/Nov 2024

10 A motor transfers 24 J of energy in 60 seconds. What is the power output of the motor? A 0.40 W B 2.5 W C 24 W D 1400 W

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2024

Q258 · A metal object is heated strongly in an oven 0625/11 Oct/Nov 2024

14 A metal object is heated strongly in an oven. What happens to the volume of the object and the internal energy stored in the object? volume internal energy A decreases decreases B decreases increases C increases decreases D increases increases

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2024

Q259 · A 60 W lamp operates at normal brightness for 2.0 minutes 0625/11 Oct/Nov 2024

27 A 60 W lamp operates at normal brightness for 2.0 minutes. How much energy is transferred by the lamp? A 0.50 J B 30 J C 120 J D 7200 J

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2024

Q260 · A builder lifts one concrete block from the ground onto a platform 0625/12 Oct/Nov 2024

8 A builder lifts one concrete block from the ground onto a platform. blocks platform 2.6 m 2.1 m ground The weight of one block is 170 N. What is the useful work done against gravity on one block? A 360 J B 440 J C 360 W D 440 W

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2024

Q261 · Students are asked for examples of water being used to store energy 0625/12 Oct/Nov 2024

9 Students are asked for examples of water being used to store energy. Three examples are listed. 1 energy stored in water waves 2 energy stored in tides 3 energy stored in water behind dams Which examples describe water being used to store energy? A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2024

Q262 · Which statement about power is correct? 0625/12 Oct/Nov 2024

10 Which statement about power is correct? A Power is measured in joules. B Power = energy  time. C Power is the rate of energy transfer. D Greater power always gives higher efficiency.

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2024

Q263 · The diagram shows a force of 12 N being used to push a box up a slope 0625/13 Oct/Nov 2024

8 The diagram shows a force of 12 N being used to push a box up a slope. The box is moved 8.0 m along the slope. This lifts the box through a vertical height of 2.5 m. 8.0 m 12 N 2.5 m How much work is done pushing the box from the bottom to the top of the slope? A 1.5 J B 4.8 J C 30 J D 96 J

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2024

Q264 · Which energy resource is non-renewable? 0625/13 Oct/Nov 2024

9 Which energy resource is non-renewable? A biofuel B energy from the Sun C nuclear fuel D water behind a dam

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2024

Q265 · What is the relationship between the power of a motor, the force exerted by the motor… 0625/13 Oct/Nov 2024

10 What is the relationship between the power of a motor, the force exerted by the motor, the distance moved by the force and the time taken? distance moved  time taken A power = force B power = force  distance moved  time taken force  time taken C power = distance moved force  distance moved D power = time taken

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2024

Q266 · A lamp is rated 240 V, 0.40 A 0625/13 Oct/Nov 2024

27 A lamp is rated 240 V, 0.40 A. The lamp operates at normal brightness for 1.0 min. How much energy does the lamp transfer? A 60 J B 96 J C 600 J D 5800 J

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2024

Q267 · Which equation relates the work done W on an object by a force F when it moves a distance… 0625/12 Feb/March 2025

10 Which equation relates the work done W on an object by a force F when it moves a distance d ? F d W A d = WF B d = W C F = W D F = d

1 marks

Answer: D

This question in 0625/12 Feb/March 2025

Q268 · A boy produces an average useful power output of 60 W as he rides his bicycle for 2.0… 0625/12 Feb/March 2025

11 A boy produces an average useful power output of 60 W as he rides his bicycle for 2.0 minutes. How much useful energy does he transfer? A 0.50 J B 30 J C 120 J D 7200 J

1 marks

Answer: D

This question in 0625/12 Feb/March 2025

Q269 · There is a current I in a resistor 0625/12 Feb/March 2025

30 There is a current I in a resistor. The potential difference (p.d.) across the resistor is V. What does the product IV represent? A the charge flowing through the resistor B the energy transferred by the resistor C the power dissipated by the resistor D the resistance of the resistor

1 marks

Answer: C

This question in 0625/12 Feb/March 2025

Q270 · The potential difference (p.d.) across a car headlamp is 12 V 0625/12 Feb/March 2025

34 The potential difference (p.d.) across a car headlamp is 12 V. The current in the lamp is 2.5 A. How much energy is transferred by the lamp in 1.0 hour? A 1800 J B 1800 W C 108 000 J D 108 000 W

1 marks

Answer: C

This question in 0625/12 Feb/March 2025

Q271 · A mattress placed on a bed contains many compression springs 0625/11 May/June 2025

7 A mattress placed on a bed contains many compression springs. compression springs mattress bed Which energy store of the mattress increases when a person lies on the bed? A gravitational potential B chemical C elastic D kinetic

1 marks

Answer: C

This question in 0625/11 May/June 2025

Q272 · Which energy resource does not contain a store of chemical energy? 0625/11 May/June 2025

8 Which energy resource does not contain a store of chemical energy? A biofuel B coal C nuclear fuel D oil

1 marks

Answer: C

This question in 0625/11 May/June 2025

Q273 · A person carries 20 tiles from the ground to the roof of a house 0625/11 May/June 2025

9 A person carries 20 tiles from the ground to the roof of a house. Each tile has a mass of 1.2 kg. The roof of the house is 15 m above the ground. How much work does the person do against gravity on the tiles in carrying them to the roof? A 37 J B 180 J C 360 J D 3500 J

1 marks

Answer: D

This question in 0625/11 May/June 2025

Q274 · The work done W by a force is related to the magnitude F of the force and the distance d… 0625/12 May/June 2025

8 The work done W by a force is related to the magnitude F of the force and the distance d moved in the direction of the force. Which equation for W is correct? A W = d  F B W = d + F C W = F  d D W = F  d

1 marks

Answer: D

This question in 0625/12 May/June 2025

Q275 · Which energy resource requires a power station with a boiler to produce steam when… 0625/12 May/June 2025

9 Which energy resource requires a power station with a boiler to produce steam when generating electricity? A coal B tides C water behind a dam D wind

1 marks

Answer: A

This question in 0625/12 May/June 2025

Q276 · The work done W by a force is related to the magnitude F of the force and the distance d… 0625/13 May/June 2025

8 The work done W by a force is related to the magnitude F of the force and the distance d moved in the direction of the force. Which equation for W is correct? A W = d  F B W = d + F C W = F  d D W = F  d

1 marks

Answer: D

This question in 0625/13 May/June 2025

Q277 · Which energy resource requires a power station with a boiler to produce steam when… 0625/13 May/June 2025

9 Which energy resource requires a power station with a boiler to produce steam when generating electricity? A coal B tides C water behind a dam D wind

1 marks

Answer: A

This question in 0625/13 May/June 2025

Q278 · A stone has a gravitational energy store equal to 46 J 0625/12 Oct/Nov 2025

8 A stone has a gravitational energy store equal to 46 J. When the stone falls in air, it does 21 J of work against air resistance. What is the gain in kinetic energy stored in the stone during this fall? A 21 J B 25 J C 46 J D 67 J

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2025

Q279 · Which physical quantity is transferred when work is done? 0625/12 Oct/Nov 2025

9 Which physical quantity is transferred when work is done? A distance B energy C force D temperature

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2025

Q280 · When an object falls freely due to gravity, energy that was stored as gravitational… 0625/13 Oct/Nov 2025

8 When an object falls freely due to gravity, energy that was stored as gravitational potential energy is transferred to the kinetic energy store. How is the energy transferred in this process? A by electrical work B by electromagnetic waves C by heating D by mechanical work

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2025

Q281 · A woman pushes a mower across a lawn 0625/13 Oct/Nov 2025

9 A woman pushes a mower across a lawn. Which quantities does the woman use to calculate the work she does? A distance, force and time B distance and force only C distance and time only D force and time only

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2025

Q282 · There is a current of 2.0 A in a resistor for a time of 30 s 0625/13 Oct/Nov 2025

31 There is a current of 2.0 A in a resistor for a time of 30 s. The potential difference (p.d.) across the resistor is 12 V. How much energy is transferred in the resistor? A 1.25 J B 5.0 J C 180 J D 720 J

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2025