Electrical quantities — Paper 2 · IGCSE Sciences - Co-ordinated (Double) 0654

37 A battery is connected to an ammeter and a resistor of resistance 1.5 × 103 Ω. The reading on the ammeter is 3.0 mA. A What is the potential difference (p.d.) across the battery? A 0.50 V B 1.5 V C 2.0 V D 4.5 V

1 marks

Answer: D

This question in 0654/21 May/June 2017

37 There is a current I in a resistor. Which equation gives the charge Q passing through the resistor in time t ? I Q = I × t Q = I + t Q = I – t A Q = t B C D

1 marks

Answer: B

This question in 0654/22 May/June 2017

37 Which quantity is related to the flow of charge and which quantity is defined in terms of the energy supplied by a source in driving charge round a complete circuit? energy supplied flow of charge by a source A current e.m.f. B current p.d. C resistance e.m.f. D resistance p.d.

1 marks

Answer: A

This question in 0654/23 May/June 2017

38 The diagram shows a 3.0 Ω resistor connected to a 6.0 V battery. 6.0 V 3.0 Ω How much energy is transferred in the 3.0 Ω resistor in 30 seconds? A 15 J B 60 J C 360 J D 540 J

1 marks

Answer: C

This question in 0654/21 Oct/Nov 2017

36 A battery of e.m.f. V is connected across a resistor of resistance R. There is a current in the resistor. V R current Which row shows two changes that both increase the current in the resistor? change 1 change 2 A decrease V decrease R B decrease V increase R C increase V decrease R D increase V increase R

1 marks

Answer: C

This question in 0654/22 Oct/Nov 2017

37 The diagram shows a 3.0 Ω resistor connected to a 6.0 V battery. 6.0 V 3.0 Ω How much energy is transferred in the 3.0 Ω resistor in 30 seconds? A 15 J B 60 J C 360 J D 540 J

1 marks

Answer: C

This question in 0654/22 Oct/Nov 2017

37 The diagram shows a 3.0 Ω resistor connected to a 6.0 V battery. 6.0 V 3.0 Ω How much energy is transferred in the 3.0 Ω resistor in 30 seconds? A 15 J B 60 J C 360 J D 540 J

1 marks

Answer: C

This question in 0654/23 Oct/Nov 2017

36 What is the unit of charge and what is an equivalent combination of units? equivalent unit combination A ampere coulomb second B ampere volt ohm C coulomb ampere / second D coulomb ampere second

1 marks

Answer: D

This question in 0654/23 Oct/Nov 2018

37 There is a current of 3.0 A in a resistor. The potential difference across the resistor is 3.0 V. How much electrical energy is transferred to other forms in 3.0 minutes? A 3.0 J B 9.0 J C 540 J D 1620 J

1 marks

Answer: D

This question in 0654/21 May/June 2019

34 There is a current of 3.0 A in a resistor. How much electric charge passes through the resistor in 2.0 minutes? A 0.025 C B 1.5 C C 6.0 C D 360 C

1 marks

Answer: D

This question in 0654/22 May/June 2019

36 How does the resistance of a piece of wire depend on its cross-sectional area and on its length? cross-sectional area length A directly proportional directly proportional B directly proportional inversely proportional C inversely proportional directly proportional D inversely proportional inversely proportional

1 marks

Answer: C

This question in 0654/23 May/June 2019

35 There is a current of 6.0 A in an electric heater. How much electric charge passes through the heater in one minute? A 0.10 C B 6.0 C C 10 C D 360 C

1 marks

Answer: D

This question in 0654/21 Oct/Nov 2019

37 An electric kettle is rated at 3.0 kW and is connected to a 250 V supply. The kettle is switched on for 2.0 minutes. Which row shows the current in the kettle and the energy transferred by the kettle? current / A energy / J A 12 6000 B 12 360 000 C 750 6000 D 750 360 000

1 marks

Answer: B

This question in 0654/21 Oct/Nov 2019

36 A wire of a certain length has a resistance of 8.0 Ω. A second wire made of the same material has double the length and double the cross-sectional area of the first wire. What is the resistance of the second wire? A 4.0 Ω B 8.0 Ω C 16 Ω D 32 Ω

1 marks

Answer: B

This question in 0654/22 Oct/Nov 2019

34 Which graph is the current-voltage characteristic of a filament lamp? A B current current 0 0 0 voltage 0 voltage C D current current 0 0 0 voltage 0 voltage

1 marks

Answer: D

This question in 0654/23 Oct/Nov 2019

37 The diagram shows a wire with resistance R. length diameter Both the length and the diameter of the wire are now doubled. What is the new resistance of the wire after both of these changes? A R B R C 2R D 4R 2

1 marks

Answer: A

This question in 0654/21 May/June 2020

37 There is a current of 100 mA in a circuit. How much charge flows through the circuit in 1.5 minutes? A 0.15 C B 9.0 C C 150 C D 9000 C

1 marks

Answer: B

This question in 0654/22 May/June 2020

35 The current in a motor is 5.0 A. How much charge passes through the motor in 1.0 minute? A 0.20 C B 5.0 C C 12 C D 300 C

1 marks

Answer: D

This question in 0654/23 May/June 2020

36 A lamp is connected to a 6.0 V battery. The current in the lamp is 1.5 A. 6.0 V 1.5 A How much energy is used by the lamp in 10 minutes? A 0.90 J B 40 J C 2400 J D 5400 J

1 marks

Answer: D

This question in 0654/23 May/June 2020

37 There is a current of 12 A in an electric kettle. How much charge passes through the kettle in one minute? A 0.20 C B 5.0 C C 12 C D 720 C

1 marks

Answer: D

This question in 0654/21 Oct/Nov 2020

37 An electric oven has a power rating of 2.0 kW when connected to a 250 V power supply. What is the current in the oven? A 0.13 A B 8.0 A C 130 A D 500 A

1 marks

Answer: B

This question in 0654/22 Oct/Nov 2020

36 The current in an ammeter is 1.5 A. How much charge passes through the ammeter in one minute? A 0.025 C B 1.5 C C 40 C D 90 C

1 marks

Answer: D

This question in 0654/23 Oct/Nov 2020

37 A heating element in an electric kettle has a resistance of 24 . When the kettle is connected to a 240 V supply, it takes 2.5 minutes to boil some water. How much energy is used to boil the water? A 16 J B 960 J C 6000 J D 360 000 J

1 marks

Answer: D

This question in 0654/23 Oct/Nov 2020

36 The electromotive force (e.m.f.) of a battery is 2.0 V. Which statement is correct? A The battery supplies 0.50 J of energy for every 1.0 C of charge driven around the circuit. B The battery supplies 0.50 J of energy for every 2.0 C of charge driven around the circuit. C The battery supplies 2.0 J of energy for every 1.0 C of charge driven around the circuit. D The battery supplies 2.0 J of energy for every 2.0 C of charge driven around the circuit.

1 marks

Answer: C

This question in 0654/22 Feb/March 2021

36 A wire is 50 cm long and has a resistance of 16 . A second wire is made of the same material. It is 75 cm long and has twice the cross-sectional area of the first wire. What is the resistance of the second wire? A 6.0  B 12  C 32  D 48 

1 marks

Answer: B

This question in 0654/22 May/June 2021

36 Four wires are made of the same material. They have different lengths and different cross- sectional areas. Which row shows the wire with the smallest resistance? cross-sectional length / m area / mm2 A 20 2.0 B 20 4.0 C 50 2.0 D 50 4.0

1 marks

Answer: B

This question in 0654/23 May/June 2021

34 A circuit contains a battery, a fixed resistor, an ammeter and a variable resistor. The reading on the ammeter is 1.8 mA. A How much charge flows through the variable resistor in 30 s? A 0.054 C B 17 C C 54 C D 17 000 C

1 marks

Answer: A

This question in 0654/22 Feb/March 2022

36 The resistance of a wire is 20 . A second wire is made of the same material. The second wire is four times as long and has half the cross-sectional area of the first wire. What is the resistance of the second wire? A 10  B 40  C 80  D 160 

1 marks

Answer: D

This question in 0654/21 May/June 2022

36 A battery with an electromotive force (e.m.f.) of 6.0 V is connected to a 30  resistor. How much charge flows through the battery in 5.0 s? A 1.0 C B 25 C C 36 C D 900 C

1 marks

Answer: A

This question in 0654/23 May/June 2022

31 Which electrical device transfers chemical energy into electrical energy? A battery B lamp C electric motor D television

1 marks

Answer: A

This question in 0654/21 Oct/Nov 2022

36 A resistance wire of cross-sectional area A and length l has resistance R. A l Wires X, Y and Z are made of the same material as the first wire but have different dimensions as shown. 2A 2A A 2l l 2l wire X wire Y wire Z Which of the wires X, Y and Z has resistance R ? A wire X B wire Y C wire Z D none of them

1 marks

Answer: B

This question in 0654/21 Oct/Nov 2022

37 A battery of electromotive force (e.m.f.) 10 V is connected to two lamps X and Y. 10 V X Y 2.0 A The current in lamp Y is 2.0 A. The power of lamp Y is half the power of lamp X. How much energy is transferred by the battery in 1.0 minute? A 30 J B 1800 J C 2400 J D 3600 J

1 marks

Answer: D

This question in 0654/21 Oct/Nov 2022

36 A charge of 480 C passes through a wire in 3.0 minutes. What is the average current in the wire? A 2.7 A B 24 A C 160 A D 1440 A

1 marks

Answer: A

This question in 0654/23 Oct/Nov 2022

36 A wire of length l and cross-sectional area X has resistance R. Which wire has resistance 4R? cross-sectional length of wire area of wire A 2l 2X B 2l 2 X 1 C 2l 1 2X D 2l 1 2 X 1

1 marks

Answer: B

This question in 0654/22 Feb/March 2023

37 There is a current of 3.0 A in a resistor. The potential difference across the resistor is 3.0 V. How much electrical energy is transferred to other forms in 3.0 minutes? A 3.0 J B 9.0 J C 540 J D 1620 J

1 marks

Answer: D

This question in 0654/22 Feb/March 2023

36 A battery of e.m.f. V is connected across a resistor of resistance R. There is a current in the resistor. V R current Which row shows two changes that both increase the current in the resistor? change 1 change 2 A decrease V decrease R B decrease V increase R C increase V decrease R D increase V increase R

1 marks

Answer: C

This question in 0654/21 May/June 2023

37 An electric kettle is connected to a 250 V supply. The current in the heating element of the kettle is 10 A. How much electrical energy is transferred in 3.0 minutes? A 75 J B 4500 J C 7500 J D 450 000 J

1 marks

Answer: D

This question in 0654/21 May/June 2023

37 A 3.0  resistor is connected to a 12 V power supply. 12 V 3.0 Ω How much electrical energy does the resistor transfer in 10 s? A 3.6 J B 4.8 J C 360 J D 480 J

1 marks

Answer: D

This question in 0654/23 May/June 2023

36 Which graph is the current–voltage characteristic of a filament lamp? A B current current 0 0 0 voltage 0 voltage C D current current 0 0 0 voltage 0 voltage

1 marks

Answer: D

This question in 0654/22 Oct/Nov 2023

36 Four resistors are connected into circuits. The current in each resistor and the potential difference (p.d.) across each resistor are shown. Which resistor has a resistance of 2.0 ? current / A p.d. / V A 2.0 1.0 B 4.0 2.0 C 12 6.0 D 4.0 8.0

1 marks

Answer: D

This question in 0654/23 Oct/Nov 2023

36 The diagram shows a wire of length l and diameter d. l d Which pair of changes must increase the resistance of the wire? A decreasing l and decreasing d B decreasing l and increasing d C increasing l and decreasing d D increasing l and increasing d

1 marks

Answer: C

This question in 0654/22 Feb/March 2024

36 The current in an ammeter is 1.5 A. How much charge passes through the ammeter in one minute? A 0.025 C B 1.5 C C 40 C D 90 C

1 marks

Answer: D

This question in 0654/21 May/June 2024

36 The graph shows how the resistance of a thermistor changes with temperature. 6.0 resistance of 5.0 thermistor / kΩ 4.0 3.0 2.0 1.0 0 0 10 20 30 40 50 60 70 80 90 100 temperature / °C There is a potential difference (p.d.) of 6.0 V across the thermistor. What is the current in the thermistor when it is at a temperature of 50 C? A 0.0020 A B 0.50 A C 2.0 A D 500 A

1 marks

Answer: A

This question in 0654/22 May/June 2024

37 A kettle is connected to a 230 V mains supply. The current in the kettle is 10 A. How much energy is transferred in 3.0 minutes? A 12.8 J B 767 J C 6900 J D 414 000 J

1 marks

Answer: D

This question in 0654/22 May/June 2024

35 The electromotive force (e.m.f.) of a battery is 2.0 V. Which statement is correct? A The battery supplies 0.50 J of energy for every 1.0 C of charge driven around a circuit. B The battery supplies 0.50 J of energy for every 2.0 C of charge driven around a circuit. C The battery supplies 2.0 J of energy for every 1.0 C of charge driven around a circuit. D The battery supplies 2.0 J of energy for every 2.0 C of charge driven around a circuit.

1 marks

Answer: C

This question in 0654/23 May/June 2024

36 The potential difference (p.d.) across a 60  resistor is 12 V. How much time does it take for a charge of 100 C to pass through the resistor? A 0.0020 s B 0.050 s C 20 s D 500 s

1 marks

Answer: D

This question in 0654/23 May/June 2024

36 A wire of a certain length has a resistance of 8.0 . A second wire made of the same material has double the length and double the cross-sectional area of the first wire. What is the resistance of the second wire? A 4.0  B 8.0  C 16  D 32 

1 marks

Answer: B

This question in 0654/21 Oct/Nov 2024

37 A heating element in an electric kettle has a resistance of 24 . When the kettle is connected to a 240 V supply, it takes 2.5 minutes to boil some water. How much energy is used to boil the water? A 16 J B 960 J C 6000 J D 360 000 J

1 marks

Answer: D

This question in 0654/22 Oct/Nov 2024

35 The current–voltage characteristic for a filament lamp is shown. current 0 0 voltage As the current increases, what happens to the temperature of the lamp filament and what happens to the resistance of the lamp filament? temperature of resistance of lamp filament lamp filament A decreases decreases B decreases increases C increases decreases D increases increases

1 marks

Answer: D

This question in 0654/23 Oct/Nov 2024

37 A 3.0 V battery is connected to a resistor of resistance R. The current in the resistor is I. 3.0 V I R Which row gives possible values of I and of R ? I / A R /  A 1.5 1.5 B 1.5 2.0 C 6.0 2.0 D 4.0 12

1 marks

Answer: B

This question in 0654/22 Feb/March 2025

36 An electric kettle is rated at 3.0 kW and is connected to a 250 V supply. The kettle is switched on for 2.0 minutes. Which row shows the current in the kettle and the energy transferred by the kettle? current / A energy / J A 12 6000 B 12 360 000 C 750 6000 D 750 360 000

1 marks

Answer: B

This question in 0654/21 May/June 2025

37 There is a current of 100 mA in a circuit. How much charge flows through the circuit in 1.5 minutes? A 0.15 C B 9.0 C C 150 C D 9000 C

1 marks

Answer: B

This question in 0654/22 May/June 2025

37 There is a current of 0.50 A in a lamp when the potential difference (p.d.) across the lamp is 12 V. How much time does it take for the lamp to transfer 100 J of energy? A 0.060 s B 4.2 s C 17 s D 600 s

1 marks

Answer: C

This question in 0654/23 May/June 2025

36 Which circuit shows an ammeter that measures the current in the lamp and a voltmeter that measures the potential difference (p.d.) across the lamp? A B V V A A C D A A V V

1 marks

Answer: C

This question in 0654/21 Oct/Nov 2025

36 An electric heater operates at 220 V. The current in the heater is 15 A. Which expression gives the time for the heater to transfer 1.0  104 J of energy?  4  1.0 10 220 A s 15  4  1.0 10 15 B s 220 1.0  10 4 C s 220  15 D 1.0  104  220  15 s

1 marks

Answer: C

This question in 0654/22 Oct/Nov 2025

36 What is defined in terms of the electrical work done by a source in moving unit charge around a complete circuit? A electromotive force (e.m.f.) B current C potential difference (p.d.) D power

1 marks

Answer: A

This question in 0654/23 Oct/Nov 2025