P4.1· 121 questions · 121 marks · 145 min · 2017–2025· Multiple choice
Every Cambridge IGCSE Science - Combined Paper 2 question on electrical quantities, laid out as 29 A4 pages with the mark scheme below. Nothing is left out. Free to read, no account.

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29 / 29Answers below. Sit the paper first if you are practising.
Pastlit
Science - Combined 0653 · Electrical quantities — Paper 2
IGCSE · topical answer key — answer key (teacher use)
Question
Answer
Marks
Pastlit
Science - Combined 0653 · Electrical quantities — Paper 2
IGCSE · topical answer key — answer key (teacher use)
Question
Answer
Marks
Pastlit
Science - Combined 0653 · Electrical quantities — Paper 2
IGCSE · topical answer key — answer key (teacher use)
Question
Answer
Marks
| Question | Answer | Marks | From |
|---|---|---|---|
| 1 | B | 1 | 0653/22 Feb/March 2017 |
| 2 | D | 1 | 0653/22 Feb/March 2017 |
| 3 | B | 1 | 0653/21 May/June 2017 |
| 4 | B | 1 | 0653/21 May/June 2017 |
| 5 | B | 1 | 0653/22 May/June 2017 |
| 6 | C | 1 | 0653/22 May/June 2017 |
| 7 | B | 1 | 0653/23 May/June 2017 |
| 8 | B | 1 | 0653/23 May/June 2017 |
| 9 | C | 1 | 0653/21 Oct/Nov 2017 |
| 10 | D | 1 | 0653/22 Oct/Nov 2017 |
| 11 | B | 1 | 0653/23 Oct/Nov 2017 |
| 12 | C | 1 | 0653/22 Feb/March 2018 |
| 13 | D | 1 | 0653/21 May/June 2018 |
| 14 | A | 1 | 0653/21 May/June 2018 |
| 15 | B | 1 | 0653/22 May/June 2018 |
| 16 | B | 1 | 0653/23 May/June 2018 |
| 17 | B | 1 | 0653/23 May/June 2018 |
| 18 | D | 1 | 0653/23 May/June 2018 |
| 19 | A | 1 | 0653/21 Oct/Nov 2018 |
| 20 | B | 1 | 0653/21 Oct/Nov 2018 |
| 21 | A | 1 | 0653/22 Oct/Nov 2018 |
| 22 | C | 1 | 0653/22 Oct/Nov 2018 |
| 23 | A | 1 | 0653/23 Oct/Nov 2018 |
| 24 | C | 1 | 0653/23 Oct/Nov 2018 |
| 25 | D | 1 | 0653/22 Feb/March 2019 |
| 26 | A | 1 | 0653/22 Feb/March 2019 |
| 27 | B | 1 | 0653/22 Feb/March 2019 |
| 28 | C | 1 | 0653/22 Feb/March 2019 |
| 29 | B | 1 | 0653/21 May/June 2019 |
| 30 | B | 1 | 0653/21 May/June 2019 |
| 31 | B | 1 | 0653/22 May/June 2019 |
| 32 | B | 1 | 0653/22 May/June 2019 |
| 33 | B | 1 | 0653/23 May/June 2019 |
| 34 | D | 1 | 0653/23 May/June 2019 |
| 35 | B | 1 | 0653/23 May/June 2019 |
| 36 | D | 1 | 0653/21 Oct/Nov 2019 |
| 37 | D | 1 | 0653/21 Oct/Nov 2019 |
| 38 | D | 1 | 0653/22 Oct/Nov 2019 |
| 39 | C | 1 | 0653/22 Oct/Nov 2019 |
| 40 | D | 1 | 0653/23 Oct/Nov 2019 |
| 41 | D | 1 | 0653/23 Oct/Nov 2019 |
| 42 | C | 1 | 0653/22 Feb/March 2020 |
| 43 | B | 1 | 0653/22 Feb/March 2020 |
| 44 | A | 1 | 0653/21 May/June 2020 |
| 45 | C | 1 | 0653/21 May/June 2020 |
| 46 | B | 1 | 0653/22 May/June 2020 |
| 47 | D | 1 | 0653/22 May/June 2020 |
| 48 | C | 1 | 0653/22 May/June 2020 |
| 49 | B | 1 | 0653/21 Oct/Nov 2020 |
| 50 | C | 1 | 0653/21 Oct/Nov 2020 |
| 51 | D | 1 | 0653/22 Oct/Nov 2020 |
| 52 | D | 1 | 0653/22 Oct/Nov 2020 |
| 53 | D | 1 | 0653/23 Oct/Nov 2020 |
| 54 | D | 1 | 0653/22 Feb/March 2021 |
| 55 | D | 1 | 0653/22 Feb/March 2021 |
| 56 | D | 1 | 0653/21 May/June 2021 |
| 57 | C | 1 | 0653/21 May/June 2021 |
| 58 | D | 1 | 0653/21 May/June 2021 |
| 59 | B | 1 | 0653/22 May/June 2021 |
| 60 | C | 1 | 0653/22 May/June 2021 |
| 61 | D | 1 | 0653/22 May/June 2021 |
| 62 | B | 1 | 0653/23 May/June 2021 |
| 63 | C | 1 | 0653/23 May/June 2021 |
| 64 | D | 1 | 0653/21 Oct/Nov 2021 |
| 65 | D | 1 | 0653/21 Oct/Nov 2021 |
| 66 | B | 1 | 0653/21 Oct/Nov 2021 |
| 67 | D | 1 | 0653/22 Oct/Nov 2021 |
| 68 | D | 1 | 0653/22 Oct/Nov 2021 |
| 69 | C | 1 | 0653/23 Oct/Nov 2021 |
| 70 | B | 1 | 0653/23 Oct/Nov 2021 |
| 71 | D | 1 | 0653/22 Feb/March 2022 |
| 72 | C | 1 | 0653/22 Feb/March 2022 |
| 73 | B | 1 | 0653/21 May/June 2022 |
| 74 | C | 1 | 0653/21 May/June 2022 |
| 75 | B | 1 | 0653/22 May/June 2022 |
| 76 | D | 1 | 0653/22 May/June 2022 |
| 77 | B | 1 | 0653/22 May/June 2022 |
| 78 | B | 1 | 0653/23 May/June 2022 |
| 79 | C | 1 | 0653/23 May/June 2022 |
| 80 | A | 1 | 0653/21 Oct/Nov 2022 |
| 81 | C | 1 | 0653/21 Oct/Nov 2022 |
| 82 | D | 1 | 0653/21 Oct/Nov 2022 |
| 83 | C | 1 | 0653/22 Oct/Nov 2022 |
| 84 | C | 1 | 0653/22 Oct/Nov 2022 |
| 85 | D | 1 | 0653/22 Oct/Nov 2022 |
| 86 | C | 1 | 0653/22 Feb/March 2023 |
| 87 | B | 1 | 0653/21 May/June 2023 |
| 88 | C | 1 | 0653/22 May/June 2023 |
| 89 | D | 1 | 0653/22 May/June 2023 |
| 90 | B | 1 | 0653/22 May/June 2023 |
| 91 | B | 1 | 0653/23 May/June 2023 |
| 92 | D | 1 | 0653/21 Oct/Nov 2023 |
| 93 | D | 1 | 0653/22 Oct/Nov 2023 |
| 94 | B | 1 | 0653/22 Oct/Nov 2023 |
| 95 | B | 1 | 0653/22 Oct/Nov 2023 |
| 96 | B | 1 | 0653/23 Oct/Nov 2023 |
| 97 | D | 1 | 0653/23 Oct/Nov 2023 |
| 98 | B | 1 | 0653/23 Oct/Nov 2023 |
| 99 | C | 1 | 0653/23 Oct/Nov 2023 |
| 100 | B | 1 | 0653/22 Feb/March 2024 |
| 101 | A | 1 | 0653/22 Feb/March 2024 |
| 102 | C | 1 | 0653/21 May/June 2024 |
| 103 | C | 1 | 0653/21 May/June 2024 |
| 104 | B | 1 | 0653/21 May/June 2024 |
| 105 | B | 1 | 0653/21 May/June 2024 |
| 106 | A | 1 | 0653/22 May/June 2024 |
| 107 | A | 1 | 0653/22 May/June 2024 |
| 108 | B | 1 | 0653/23 May/June 2024 |
| 109 | D | 1 | 0653/21 Oct/Nov 2024 |
| 110 | B | 1 | 0653/23 Oct/Nov 2024 |
| 111 | C | 1 | 0653/22 Feb/March 2025 |
| 112 | A | 1 | 0653/22 Feb/March 2025 |
| 113 | B | 1 | 0653/21 May/June 2025 |
| 114 | D | 1 | 0653/21 May/June 2025 |
| 115 | C | 1 | 0653/22 May/June 2025 |
| 116 | C | 1 | 0653/22 May/June 2025 |
| 117 | B | 1 | 0653/23 May/June 2025 |
| 118 | A | 1 | 0653/23 May/June 2025 |
| 119 | A | 1 | 0653/21 Oct/Nov 2025 |
| 120 | C | 1 | 0653/22 Oct/Nov 2025 |
| 121 | A | 1 | 0653/23 Oct/Nov 2025 |
39 The diagrams show four circuits. Which circuit can be used to find the resistance of resistor R? A B R R V A A V C D R A V R V A
1 marks
Answer: B
40 A 12 volt battery is connected to two resistors. Currents P, Q and R, and potential differences S and T across the two resistors are labelled. 12 volt R S P T Q Which row gives the relationship between the three currents, and gives the values of S and T ? currents S / volt T / volt A P = Q = R 6.0 6.0 B P = Q = R 12 12 C P + Q = R 6.0 6.0 D P + Q = R 12 12
1 marks
Answer: D
38 The diagram shows a wire of length l and cross-sectional area X. l X Which two changes must decrease the resistance of the wire? A decrease l and decrease X B decrease l and increase X C increase l and decrease X D increase l and increase X
1 marks
Answer: B
39 An 800 W microwave oven and a 2500 W conventional electric oven are both designed to operate from a 230 V supply. Which row shows the rating of the fuse that should be fitted to each device? microwave conventional oven electric oven A 5 A 5 A B 5 A 13 A C 13 A 5 A D 13 A 13 A
1 marks
Answer: B
38 Four wires are made from the same material but have different lengths and diameters. Which wire has the least resistance? length diameter / cm / mm A 50 0.10 B 50 0.20 C 100 0.10 D 100 0.20
1 marks
Answer: B
39 A 12 V power supply is connected to a 6.0 Ω resistor. This causes a current in the resistor. How much thermal energy is produced in the resistor in 5.0 minutes? A 120 J B 600 J C 7200 J D 21 600 J
1 marks
Answer: C
38 The table gives the lengths and the diameters of four different wires made from the same metal. Which wire has the smallest resistance? length of diameter of wire / m wire / mm A 3.0 3.0 B 3.0 4.0 C 4.0 3.0 D 4.0 4.0
1 marks
Answer: B
39 There is a current of 20 mA in an electrical component when there is a p.d. of 10 V across it. How much energy is transferred by the component in 30 minutes? A 6.0 J B 360 J C 6000 J D 360 000 J
1 marks
Answer: B
38 The resistance of a wire depends on its length and on its diameter. Which row shows two changes that both increase the resistance of the wire? change 1 change 2 A decrease the length decrease the diameter B decrease the length increase the diameter C increase the length decrease the diameter D increase the length increase the diameter
1 marks
Answer: C
38 A piece of wire has electrical resistance. The wire is stretched so that it becomes longer and thinner. What, if anything, happens to its resistance? A It could increase or decrease depending on how much it is stretched. B It does not change because its smaller diameter cancels the effect of its greater length. C It must decrease. D It must increase.
1 marks
Answer: D
38 Which circuit is used to determine the resistance of the resistor R? A B V A R R A V C D V A R R V A
1 marks
Answer: B
38 A lamp is labelled 12 V, 25 W. How much electrical energy does the lamp convert in 4.0 minutes when lit at its normal brightness? A 100 J B 1200 J C 6000 J D 72 000 J
1 marks
Answer: C
39 A 240 V mains supply causes a current of 4.00 A in a heater. How much energy is transferred in the heater in 5.00 minutes? A 192 J B 4800 J C 18 000 J D 288 000 J
1 marks
Answer: D
40 An electric kettle has the following label attached to its base. current: 7.5 A frequency: 50 Hz power: 1800 W voltage: 240 V How is an appropriate fuse for the kettle labelled? A 10 A B 60 Hz C 2000 W D 300 V
1 marks
Answer: A
38 A negative ion X is close to a positive ion and another negative ion. Electrical forces act on ion X because of the charges in the other two ions. Which diagram shows the directions of the two forces acting on ion X? A B C D positive ion + + + + – ion X – ion X – ion X – ion X – – – – negative ion
1 marks
Answer: B
37 A negative ion X is close to a positive ion and another negative ion. Electrical forces act on ion X because of the charges in the other two ions. Which diagram shows the directions of the two forces acting on ion X? A B C D positive ion + + + + – ion X – ion X – ion X – ion X – – – – negative ion
1 marks
Answer: B
38 The diagram shows four wires at the same temperature, made from the same metal. The diagram is drawn to scale. Which wire has the least electrical resistance between its ends? A B C D
1 marks
Answer: B
39 A resistor is connected in a circuit as shown. A V The reading on the ammeter is 2.0 A and the reading on the voltmeter is 4.0 V. What is the power produced in the resistor? A 0.50 W B 2.0 W C 6.0 W D 8.0 W
1 marks
Answer: D
38 The diagram shows a negatively charged oil drop between two metal plates. The plates are connected by an open switch to a power supply. The oil drop is falling at a steady speed. metal plate – oil drop + metal plate The switch is now closed. What happens to the oil drop? A It moves downwards at an increasing speed. B It moves upwards at an increasing speed. C It moves to the left at a constant speed. D It moves to the right at a constant speed.
1 marks
Answer: A
40 An electric motor is connected to a 120 V mains supply. The motor transfers 72 000 J of energy in 2.0 minutes. What is the current in the motor? A 0.20 A B 5.0 A C 10 A D 300 A
1 marks
Answer: B
38 Three pieces of resistance wire X, Y and Z are made of the same metal. The diagram shows the lengths and the diameters of the wires. X Y Z l l d 2l 2d d What is the order of the wires when they are placed in order of increasing resistance, least resistance first? A Y → X → Z B Y → Z → X C Z → X → Y D Z → Y → X
1 marks
Answer: A
39 The diagram shows two identical lamps connected in parallel to a 12 V power supply. A current of 3.0 A is delivered by the power supply. 12 V 3.0 A What is the power produced by each lamp? A 4.0 W B 8.0 W C 18 W D 36 W
1 marks
Answer: C
37 Three pieces of resistance wire X, Y and Z are made of the same metal. The diagram shows the lengths and the diameters of the wires. X Y Z l l d 2l 2d d What is the order of the wires when they are placed in order of increasing resistance, least resistance first? A Y → X → Z B Y → Z → X C Z → X → Y D Z → Y → X
1 marks
Answer: A
38 A lamp has a potential difference V across it that causes a current I in it. Which equation gives the power P produced by the lamp? I V A P = V B P = I C P = IV D P = I + V
1 marks
Answer: C
35 There is a current of 6.0 A in a wire. How much charge flows through the wire in 2.0 minutes? A 0.050 coulomb B 3.0 coulomb C 12 coulomb D 720 coulomb
1 marks
Answer: D
36 A resistance wire of length l has cross-sectional area A and resistance R. A second resistance wire of the same material has length 0.50 l and cross-sectional area 2.0 A. What is the resistance of the second wire? A 0.25 R B 0.50 R C R D 2.0 R
1 marks
Answer: A
37 A variable power supply is connected to a resistor and there is a current in the resistor. variable power supply current The potential difference across the resistor is decreased. The temperature of the resistor does not change. What happens to the current in the resistor and what happens to the resistance of the resistor? current resistance A decreases increases B decreases stays the same C increases decreases D increases stays the same
1 marks
Answer: B
39 The diagram shows three identical lamps connected in series to a battery. Each lamp is labelled 0.60 V, 0.30 A. The lamps are working at normal brightness. What is the potential difference across the battery and the current in the battery? potential difference / V current / A A 0.60 0.30 B 0.60 0.90 C 1.80 0.30 D 1.80 0.90
1 marks
Answer: C
37 What is the unit of electric charge? A ampere B coulomb C volt D watt
1 marks
Answer: B
38 There is a current of 2.0 A in a resistor. The power produced in the resistor is 8.0 W. What is the potential difference across the resistor? A 0.25 V B 4.0 V C 10 V D 16 V
1 marks
Answer: B
37 Four wires are made of the same material. They have different lengths and different cross-sectional areas. Which wire has the smallest resistance? cross-sectional length area A A l 2 B l A A C 2l 2 D 2l A
1 marks
Answer: B
39 There is a current of 2.0 A in a resistor. The power produced in the resistor is 8.0 W. What is the potential difference across the resistor? A 0.25 V B 4.0 V C 10 V D 16 V
1 marks
Answer: B
37 There is a current of 2.0 A in a resistor. The power produced in the resistor is 8.0 W. What is the potential difference across the resistor? A 0.25 V B 4.0 V C 10 V D 16 V
1 marks
Answer: B
38 How is the resistance R of a wire related to its length l and to its cross-sectional area A? (∝ means proportional to) R ∝ l 1 and R ∝ A A R ∝ l 1 and R ∝ A 1 B C R ∝ l and R ∝ A R ∝ l and R ∝ A 1 D
1 marks
Answer: D
40 A mains circuit can safely supply a current of up to 40 A. The current in a hairdryer is 2 A when it is operating normally. The hairdryer is connected to the mains by a lead which can safely carry up to 5 A. What is the correct fuse to protect the hairdryer? A 1 A fuse B 3 A fuse C 10 A fuse D 50 A fuse
1 marks
Answer: B
38 A piece of wire has a resistance of 8.0 Ω. The length of the wire is doubled and the diameter of the wire is halved. What is the new resistance of the wire? A 2.0 Ω B 4.0 Ω C 8.0 Ω D 64 Ω
1 marks
Answer: D
40 A 20 V power supply provides a current of 5.0 A for 1.0 minute. How much energy does the power supply deliver? A 4.0 J B 100 J C 240 J D 6000 J
1 marks
Answer: D
38 A piece of wire has a resistance of 8.0 Ω. The length of the wire is doubled and the diameter of the wire is halved. What is the new resistance of the wire? A 2.0 Ω B 4.0 Ω C 8.0 Ω D 64 Ω
1 marks
Answer: D
40 There is a current I in a lamp. The potential difference across the lamp is V and the power produced by the lamp is P. In a second lamp, the current is 2I and the potential difference across it is 2 V . What is the power produced by this other lamp? A P B P C P D 2P 4 2
1 marks
Answer: C
38 A piece of wire has a resistance of 8.0 Ω. The length of the wire is doubled and the diameter of the wire is halved. What is the new resistance of the wire? A 2.0 Ω B 4.0 Ω C 8.0 Ω D 64 Ω
1 marks
Answer: D
40 There is a current I in a resistor and a potential difference V across it. Which equation gives the energy E transferred by the resistor in a time t ? I V t A E = B E = C E = D E = IVt Vt I t V I
1 marks
Answer: D
36 A polythene rod is rubbed with a cloth. The rod becomes positively charged. What has happened to the rod? A It has gained electrons. B It has gained protons. C It has lost electrons. D It has lost protons.
1 marks
Answer: C
37 In the circuit shown, the cell has an electromotive force (e.m.f.) of 1.5 V and the total resistance of the circuit is 12 Ω. What is the total charge that flows through the cell in 2.0 minutes? A 0.25 C B 15 C C 36 C D 2160 C
1 marks
Answer: B
38 What is the definition of electrical current? A the rate of flow of charge B the rate of flow of energy C the rate of flow of power D the rate of flow of voltage
1 marks
Answer: A
39 A 12 V power supply is connected to a 6.0 Ω resistor. This causes a current in the resistor. How much thermal energy is produced in the resistor in 5.0 minutes? A 120 J B 600 J C 7200 J D 21 600 J
1 marks
Answer: C
37 What is the unit of charge? A ampere B coulomb C ohm D volt
1 marks
Answer: B
38 An electric circuit contains two resistors connected to a cell. One resistor is labelled R. The switch is open. R The switch is now closed. What happens to the potential difference (p.d.) across resistor R and what happens to the current in resistor R? A The p.d. decreases and the current increases. B The p.d. decreases and the current remains the same. C The p.d. remains the same and the current increases. D The p.d. remains the same and the current remains the same.
1 marks
Answer: D
39 A 12 V power supply is connected to a 6.0 Ω resistor. This causes a current in the resistor. How much thermal energy is produced in the resistor in 5.0 minutes? A 120 J B 600 J C 7200 J D 21 600 J
1 marks
Answer: C
39 There is a current of 0.25 A in a wire. How long does it take for 120 C of charge to pass a point in the wire? A 0.50 minutes B 8.0 minutes C 30 minutes D 480 minutes
1 marks
Answer: B
40 The diagram shows an electric circuit. 8.0 V 2.0 A 4.0 Ω The battery of electromotive force (e.m.f.) 8.0 V produces a current of 2.0 A in a 4.0 resistor. How much power is delivered to the resistor? A 0.25 W B 4.0 W C 16 W D 64 W
1 marks
Answer: C
39 There is a current of 2.0 A in a 4.0 resistor for 20 s. What is the charge that flows through the resistor in this time and what is the p.d. across it? charge / C p.d. / V A 10 2.0 B 10 8.0 C 40 2.0 D 40 8.0
1 marks
Answer: D
40 The current in the starter motor of a car is 400 A when it is connected to a 12 V battery. How much energy is delivered to the starter motor in 2.0 seconds? A 0.060 J B 67 J C 2400 J D 9600 J
1 marks
Answer: D
39 A circuit includes a lamp, a switch and an ammeter. The switch is open. A The switch is now closed and the ammeter displays the current reading shown. 4 6 2 8 0 10 A The switch remains closed for 20 seconds before it is opened again. What is the charge that flows while the switch is closed? A 0.25 C B 4.0 C C 90 C D 100 C
1 marks
Answer: D
37 There is a current of 5.0 A in a resistor. How much electric charge passes through the resistor in 30 minutes? A 6.0 C B 150 C C 360 C D 9000 C
1 marks
Answer: D
39 A piece of wire has electrical resistance. The wire is stretched so that it becomes longer and thinner. What happens to its resistance? A It could increase or decrease depending on how much it is stretched. B It does not change because the effect of its smaller diameter cancels the effect of its greater length. C It must decrease. D It must increase.
1 marks
Answer: D
37 There is a current of 20 mA in a resistor for a time t. During this time, a charge of 600 C passes through the resistor. What is the value of t ? A 3.3 10–5 s B 12 s C 30 s D 3.0 104 s
1 marks
Answer: D
39 A lamp is labelled 12 V, 25 W. How much electrical energy does the lamp transfer in 4.0 minutes when it is operating at its normal brightness? A 100 J B 1200 J C 6000 J D 72 000 J
1 marks
Answer: C
40 An air conditioner and a television are both connected to the same electrical circuit. X power air television supply conditioner The current in the air conditioner is 9.0 A and the current in the television is 2.0 A. Several different fuses are available. Which fuse should be connected at X? A 1 A B 3 A C 7 A D 13 A
1 marks
Answer: D
38 Four copper wires have different lengths and different cross-sectional areas. Which wire has the smallest resistance? length / cm cross-sectional area / mm2 A 50 0.025 B 50 0.050 C 100 0.025 D 100 0.050
1 marks
Answer: B
39 A lamp is labelled 12 V, 25 W. How much electrical energy does the lamp transfer in 4.0 minutes when it is operating at its normal brightness? A 100 J B 1200 J C 6000 J D 72 000 J
1 marks
Answer: C
40 An air conditioner and a television are both connected to the same electrical circuit. X power air television supply conditioner The current in the air conditioner is 9.0 A and the current in the television is 2.0 A. Several different fuses are available. Which fuse should be connected at X? A 1 A B 3 A C 7 A D 13 A
1 marks
Answer: D
37 The diagram represents a circuit that includes a battery, an ammeter, a voltmeter and a variable resistor. A V What happens to the readings on the meters as the resistance of the variable resistor is increased? ammeter reading voltmeter reading A decreases decreases B decreases stays constant C increases decreases D increases stays constant
1 marks
Answer: B
39 A lamp is labelled 12 V, 25 W. How much electrical energy does the lamp transfer in 4.0 minutes when it is operating at its normal brightness? A 100 J B 1200 J C 6000 J D 72 000 J
1 marks
Answer: C
36 There is a current of 4.0 A in a resistor. How much charge passes through the resistor in 8.0 s? A 0.50 C B 2.0 C C 12 C D 32 C
1 marks
Answer: D
37 A circuit contains a battery connected to a resistor. Which values of electromotive force (e.m.f.) and resistance produce the smallest current in the circuit? e.m.f. / V resistance / A 6.0 10 B 6.0 20 C 24 80 D 24 160
1 marks
Answer: D
38 Four wires are made from the same material but have different lengths and diameters. Which wire has the smallest resistance? length diameter / cm / mm A 50 0.10 B 50 0.20 C 100 0.10 D 100 0.20
1 marks
Answer: B
36 A lightning strike transfers 20 C of charge in 5.0 10–4 s. What is the average current during the lightning strike? A 2.5 10–5 A B 1.0 10–2 A C 1.0 102 A D 4.0 104 A
1 marks
Answer: D
37 A circuit contains a battery connected to a resistor. Which values of electromotive force (e.m.f.) and resistance produce the smallest current in the circuit? e.m.f. / V resistance / A 6.0 10 B 6.0 20 C 24 80 D 24 160
1 marks
Answer: D
37 There is a potential difference of 4.0 V across a resistor of resistance 2.0 . How much charge passes through the resistor in 10 s? A 0.80 C B 5.0 C C 20 C D 80 C
1 marks
Answer: C
39 Four wires are made from the same material but have different lengths and diameters. Which wire has the smallest resistance? length diameter / cm / mm A 50 0.10 B 50 0.20 C 100 0.10 D 100 0.20
1 marks
Answer: B
37 An electrically charged student produces soap bubbles. When he holds his hand near the bubbles, they move away quickly from his hand. electrically charged soap bubbles student move away quickly insulator For this movement of the bubbles to happen, which statement is correct? A The bubbles must be negatively charged. B The bubbles must be positively charged. C The bubbles must have the opposite charge to the charge on the student. D The bubbles must have the same charge as the charge on the student.
1 marks
Answer: D
40 A worker uses an electric drill continuously for 1.0 hour. The current in the drill is 5.0 A when connected to the 250 V mains. How much electrical energy is transferred by the drill? A 1.25 kJ B 180 kJ C 4500 kJ D 5400 kJ
1 marks
Answer: C
37 Two balloons X and Y are suspended by insulating threads. They are each held near a negatively charged balloon. The balloons hang as shown. insulating insulating threads threads – – – – – – – – – – – – – X – – Y ––– – – – – – – What is the charge on balloon X and what is the charge on balloon Y? balloon X balloon Y A negative negative B negative positive C positive negative D positive positive
1 marks
Answer: B
40 There is a current I in a resistor when there is a potential difference (p.d.) V across it. Which quantity is equal to the product IV ? A the charge passing through the resistor B the energy transferred in the resistor C the power transferred in the resistor D the resistance of the resistor
1 marks
Answer: C
36 Two balloons X and Y are suspended by insulating threads. They are each held near a negatively charged balloon. The balloons hang as shown. insulating insulating threads threads – – – – – – – – – – – – – X – – Y ––– – – – – – – What is the charge on balloon X and what is the charge on balloon Y? balloon X balloon Y A negative negative B negative positive C positive negative D positive positive
1 marks
Answer: B
37 A 1.0 m length of resistance wire with a cross-sectional area of 0.032 mm2 has a resistance of 15 . Which other wire, made from the same material, also has a resistance of 15 ? cross-sectional length / m area / mm2 A 0.50 0.0080 B 0.50 0.064 C 2.0 0.0080 D 2.0 0.064
1 marks
Answer: D
40 A cell produces a potential difference (p.d.) V across a resistor of resistance R. There is a current I in the resistor. V I resistance = R Which expression gives the energy transferred in the resistor in a time t ? I V I R A B IVt C D IRt t t
1 marks
Answer: B
37 Two balloons X and Y are suspended by insulating threads. They are each held near a negatively charged balloon. The balloons hang as shown. insulating insulating threads threads – – – – – – – – – – – – – X – – Y ––– – – – – – – What is the charge on balloon X and what is the charge on balloon Y? balloon X balloon Y A negative negative B negative positive C positive negative D positive positive
1 marks
Answer: B
39 A torch (flashlight) contains a 3.0 V battery. When the torch is switched on the current in the battery is 0.50 A. How much energy is transferred by the battery in 1.0 minute? A 1.5 J B 6.0 J C 90 J D 360 J
1 marks
Answer: C
37 In which circuit is there a current of 2.0A? A B Cc D 6.0V 0.50V 3.0V 1.5V 3.0Q 1.50 6.0Q 0.50Q
1 marks
Answer: A
38 The resistance of a wire depends on its length and on its diameter. Which row shows two changes that both increase the resistance of the wire? change to length change to diameter A decrease decrease B decrease increase C increase decrease D increase increase
1 marks
Answer: C
39 A 20 V power supply provides a current of 5.0 A for 1.0 minute. How much energy does the power supply transfer? A 4.0 J B 100 J C 240 J D 6000 J
1 marks
Answer: D
36 A circuit consists of a resistor, a switch and a battery. The switch is closed. Which expression is used to calculate the charge that passes through the resistor? A charge = current voltage across the resistor current B charge = voltage across the resistor C charge = current time for which the switch is closed current D charge = time for which the switch is closed
1 marks
Answer: C
38 The resistance of a wire depends on its length and on its diameter. Which row shows two changes that both increase the resistance of the wire? change to length change to diameter A decrease decrease B decrease increase C increase decrease D increase increase
1 marks
Answer: C
39 A 20 V power supply provides a current of 5.0 A for 1.0 minute. How much energy does the power supply transfer? A 4.0 J B 100 J C 240 J D 6000 J
1 marks
Answer: D
40 When a computer is switched on, the current increases quickly to 3.1 A and then decreases slowly to a steady value of 1.0 A when the computer is in use. The cable connecting the computer to the power supply can safely carry a current of 10.0 A. The circuit contains a fuse. Which fuse rating is used to provide suitable protection? A 1 A B 3 A C 5 A D 13 A
1 marks
Answer: C
37 The unit of electric charge is the coulomb (C). Which combination of other units is equivalent to the coulomb? A A / s B A s C V / A D V A
1 marks
Answer: B
38 A battery is connected to two identical lamps X and Y in parallel. 0.50 A X Y The current in the battery is 0.50 A. How much charge flows through lamp Y in 10 s? A 0.025 C B 0.050 C C 2.5 C D 5.0 C
1 marks
Answer: C
39 The diagram shows a cell connected to a resistor and two meters, X and Y. The circuit is used when determining the resistance of the resistor. X Y What are the quantities measured by meters X and Y, and what are their correct units? meter X meter Y quantity unit quantity unit A current A p.d. V B current V p.d. A C p.d. A current V D p.d. V current A
1 marks
Answer: D
40 An electrical appliance with a resistance of 600 is connected to a 240 V supply. Which fuse rating is appropriate to protect the appliance and the wires from overheating if a fault occurs? A 0.04 A B 0.5 A C 5 A D 13 A
1 marks
Answer: B
39 A variable power supply is connected to a resistor and there is a current in the resistor. variable power supply current The potential difference (p.d.) across the resistor is decreased. The temperature of the resistor does not change. What happens to the current in the resistor and what happens to the resistance of the resistor? current resistance A decreases increases B decreases stays the same C increases decreases D increases stays the same
1 marks
Answer: B
39 There is a current of 6.0 A in a wire. How much charge flows through the wire in 2.0 minutes? A 0.050 C B 3.0 C C 12 C D 720 C
1 marks
Answer: D
37 A plastic rod is rubbed with a woollen cloth. The rod becomes negatively charged. What happens to the woollen cloth? A It gains electrons and becomes negatively charged. B It gains electrons and becomes positively charged. C It loses electrons and becomes negatively charged. D It loses electrons and becomes positively charged.
1 marks
Answer: D
38 In an X-ray machine, a beam of electrons hits a metal block. The moving electrons in the beam are a current of 0.30 A. How long does it take for 60 mC of charge to hit the block? A 0.018 s B 0.20 s C 5.0 s D 200 s
1 marks
Answer: B
39 A copper wire has a resistance of 8.0 . A second copper wire has double the length and double the diameter of the first wire. What is the resistance of the second copper wire? A 1.0 B 4.0 C 8.0 D 16
1 marks
Answer: B
36 The diagram shows two charged metal spheres, P and Q, suspended from insulating threads. P is positively charged and Q is negatively charged. insulating threads P + – Q + + – – + + – – + + + – – – The spheres are now joined by a copper wire. insulating threads P + – Q + + – – + + – – + + + – – – copper wire What happens in the copper wire? A Electrons flow from P to Q. B Electrons flow from Q to P. C Protons flow from P to Q. D Protons flow from Q to P.
1 marks
Answer: B
37 A circuit includes a lamp, a switch and an ammeter. The switch is open. A The switch is now closed and the ammeter displays the reading shown. 4 6 2 8 0 10 A The switch remains closed for 20 s before it is opened again. What is the charge that flows while the switch is closed? A 0.25 C B 4.0 C C 90 C D 100 C
1 marks
Answer: D
38 A wire of length 3.0 m and cross-sectional area of 0.24 mm2 has a resistance of 6.0 . A second wire, made from the same material, has a cross-sectional area of 0.12 mm2 and a resistance of 24 . What is the length of the second wire? A 3.0 m B 6.0 m C 12 m D 24 m
1 marks
Answer: B
39 A car has two headlamps connected in parallel to a 12 V battery. The power of each headlamp is 60 W. What is the total energy supplied by the battery to the two headlamps in 5.0 minutes? A 0.60 kJ B 18 kJ C 36 kJ D 430 kJ
1 marks
Answer: C
38 A circuit consists of two resistors and a battery. 3.0 V 6.0 Ω 4.0 Ω How much charge flows through the circuit in 2.0 minutes? A 0.60 C B 36 C C 60 C D 3600 C
1 marks
Answer: B
40 The potential difference (p.d.) across a resistor is V. The resistance of the resistor is R. What is the power dissipated in the resistor? V 2 V 2R V 2R 3 V 3 A B C D R R 2
1 marks
Answer: A
36 A plastic rod becomes negatively charged when rubbed with a cloth. The cloth becomes positively charged. Which statement describes the charging process? A The rod and the cloth both gain electrons. B The rod and the cloth both lose electrons. C The rod gains electrons and the cloth loses electrons. D The rod loses electrons and the cloth gains electrons.
1 marks
Answer: C
37 Which list contains a material that prevents electrical charge from flowing through it? A aluminium, copper, mercury B brass, nickel, steel C glass, gold, zinc D silver, iron, lead
1 marks
Answer: C
38 Which expression is equal to current? A charge time charge B time C resistance potential difference (p.d.) resistance D potential difference (p.d.)
1 marks
Answer: B
40 There is a current of 20 mA in an electrical component when there is a potential difference (p.d.) of 10 V across it. How much energy is transferred by the component in 30 minutes? A 6.0 J B 360 J C 6000 J D 360 000 J
1 marks
Answer: B
37 There is a potential difference (p.d.) of 6.0 V across a resistor of resistance 1.5 k. How much charge passes through the resistor in 5.0 minutes? A 1.2 C B 20 C C 30 C D 1200 C
1 marks
Answer: A
38 Wire X and wire Y are made from the same material. Each wire has a circular cross-section. The resistance of wire X is R, its length is l and its diameter is d. The length of wire Y is 2l and its diameter is 2d. What is the resistance of wire Y? R A B R C 4R D 8R 2
1 marks
Answer: A
40 What is the relationship between energy E transferred in a component, current I through it, potential difference (p.d.) V across it, and time t ? t I E = V I V t A E = B E = I V t C D E = I V t
1 marks
Answer: B
37 A resistor of resistance 3.0 is connected to a 6.0 V power supply. What is the rate of flow of charge through the resistor? A 0.50 C / min B 2.0 C / min C 30 C / min D 120 C / min
1 marks
Answer: D
38 The current in a resistor is 4.0 A. What is the time taken for 1200 C of charge to flow through the resistor? A 0.20 min B 5.0 min C 80 min D 300 min
1 marks
Answer: B
37 What are the two types of electric charge? A left and right B north and south C positive and negative D up and down
1 marks
Answer: C
38 A charge of 12 C flows through a resistor in 5.0 minutes. What is the current in the resistor? A 0.040 A B 2.4 A C 25 A D 3600 A
1 marks
Answer: A
37 In which unit is charge measured? A ampere B coulomb C volt D watt
1 marks
Answer: B
38 There is a current of 2.0 A in a resistor of resistance 7.5 . What is the power and energy transferred in the resistor in 5.0 s? power / W energy / J A 15 3.0 B 15 75 C 30 6.0 D 30 150
1 marks
Answer: D
37 Two charged rods, X and Y, are brought, one at a time, close to positively charged rod Z. Rod Z is repelled by rod X. Rod Z is attracted by rod Y. Which row shows the charges on rods X and Y? charge on rod X charge on rod Y A negative negative B negative positive C positive negative D positive positive
1 marks
Answer: C
38 There is a current of 2.0 A in a resistor of resistance 2.0 . How much charge flows through the resistor in 4.0 s? A 0.50 C B 2.0 C C 8.0 C D 16 C
1 marks
Answer: C
37 The diagram shows the scale of an analogue voltmeter. 0.2 0.3 0.1 0.4 0 0.5 V What is the reading on the voltmeter? A 0.22 V B 0.24 V C 0.27 V D 0.36 V
1 marks
Answer: B
38 What is the relationship between the current in a resistor, the potential difference (p.d.) across it and its resistance? p.d. A current = resistance (p.d.)2 B current = resistance C current = resistance p.d. current = resistance D p.d.
1 marks
Answer: A
37 Which name is given to the rate at which charge flows along a metal wire? A current B electromotive force (e.m.f.) C potential difference (p.d.) D resistance
1 marks
Answer: A
37 The circuit shows two identical lamps connected in parallel to a 12 V power supply. The reading on the ammeter is 3.0 A. 12 V A What is the power transferred by each lamp? A 4.0 W B 8.0 W C 18 W D 36 W
1 marks
Answer: C
37 The diagrams show four solid cylinders, all made of the same metal. The diagrams are all drawn to the same scale. Which cylinder has the greatest electrical resistance between its circular faces? A B C D
1 marks
Answer: A