Electric circuits — Paper 2 · IGCSE Physical Science 0652

38 Which graph represents an alternating current? A B current current 0 0 0 time 0 time C D current current 0 0 0 time 0 time

1 marks

Answer: A

This question in 0652/21 Oct/Nov 2017

38 Which graph represents an alternating current? A B current current 0 0 0 time 0 time C D current current 0 0 0 time 0 time

1 marks

Answer: A

This question in 0652/22 Oct/Nov 2017

34 Four wires are made from copper. The table gives information about the wires. length cross-sectional wire area / mm2 / cm 1 20 3.0 2 30 2.0 3 40 6.0 4 40 1.5 Which two wires have the same resistance? A 1 and 2 B 1 and 3 C 2 and 3 D 3 and 4

1 marks

Answer: B

This question in 0652/21 Oct/Nov 2018

35 Two resistors, each of resistance R, are connected in parallel. What is their combined resistance? R 2 R A R B C D 2R 2

1 marks

Answer: C

This question in 0652/21 Oct/Nov 2018

35 Two resistors, each of resistance R, are connected in parallel. What is their combined resistance? R 2 R A R B C D 2R 2

1 marks

Answer: C

This question in 0652/22 Oct/Nov 2018

35 A circuit contains a battery and a resistor R. R Another resistor is now added in series with R. Which statement is correct? A The e.m.f. of the battery decreases. B The e.m.f. of the battery increases. C The p.d. across R decreases. D The p.d. across R increases.

1 marks

Answer: C

This question in 0652/21 Oct/Nov 2019

35 A circuit contains a battery and a resistor R. R Another resistor is now added in series with R. Which statement is correct? A The e.m.f. of the battery decreases. B The e.m.f. of the battery increases. C The p.d. across R decreases. D The p.d. across R increases.

1 marks

Answer: C

This question in 0652/22 Oct/Nov 2019

37 Overheating of a cable in an electric circuit is a safety hazard. How can overheating of the cable be prevented? A Do not switch off the circuit with damp hands. B Make sure that the current does not become too large. C Use thicker insulation on the cable. D Use a thinner cable.

1 marks

Answer: B

This question in 0652/21 Oct/Nov 2020

35 The diagram shows a resistor connected to a battery. The current in the circuit is 2.0 A. In 20 s, a total of 120 J of energy is transferred from the battery. What is the electromotive force (e.m.f.) of the battery? A 1.5 V B 3.0 V C 6.0 V D 12 V

1 marks

Answer: B

This question in 0652/22 Oct/Nov 2020

36 The diagram shows a circuit that can be used to investigate how the current in a lamp varies with the potential difference across it. A X V The current in the lamp needs to be varied. Which component is connected in the circuit at position X? A B C D

1 marks

Answer: C

This question in 0652/22 Oct/Nov 2020

36 A copper wire has resistance of 8.0 . The wire is melted and made into a new wire with twice the original length and half the original cross-sectional area. What is the resistance of the new wire? A 4.0  B 8.0  C 16  D 32 

1 marks

Answer: D

This question in 0652/21 Oct/Nov 2021

38 A student investigates how the current in a resistor R varies with the voltage across it. Which circuit does the student use? A B A A R R V V C D V A R R V A

1 marks

Answer: B

This question in 0652/21 Oct/Nov 2021

35 Which circuit is used when determining 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

This question in 0652/21 Oct/Nov 2022

37 The diagram shows an ammeter and four identical resistors connected to a cell. One resistor is labelled X. V I A X The potential difference (p.d.) across the cell is V, and the current in the ammeter is I. What is the current in resistor X, and what is the p.d. across resistor X? current in X p.d. across X I V A 2 2 I B V 2 V C I 2 D I V

1 marks

Answer: A

This question in 0652/21 Oct/Nov 2022

35 Which circuit is used when determining 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

This question in 0652/22 Oct/Nov 2022

37 The diagram shows an ammeter and four identical resistors connected to a cell. One resistor is labelled X. V I A X The potential difference (p.d.) across the cell is V, and the current in the ammeter is I. What is the current in resistor X, and what is the p.d. across resistor X? current in X p.d. across X I V A 2 2 I B V 2 V C I 2 D I V

1 marks

Answer: A

This question in 0652/22 Oct/Nov 2022

36 A lamp is in a circuit that is protected by a 1 A fuse. The lamp is switched on and it lights normally. The 1 A fuse is now replaced with a 5 A fuse. What happens when the lamp is switched on? A The lamp lights normally. B The fuse blows so the lamp does not light. C The lamp lights less brightly. D The lamp lights more brightly.

1 marks

Answer: A

This question in 0652/21 Oct/Nov 2023

36 A lamp is in a circuit that is protected by a 1 A fuse. The lamp is switched on and it lights normally. The 1 A fuse is now replaced with a 5 A fuse. What happens when the lamp is switched on? A The lamp lights normally. B The fuse blows so the lamp does not light. C The lamp lights less brightly. D The lamp lights more brightly.

1 marks

Answer: A

This question in 0652/22 Oct/Nov 2023

33 The diagram shows a battery connected to a 12  resistor and a voltmeter. The reading on the voltmeter is 24 V. 12 Ω V Which row shows the current in the circuit and the electromotive force (e.m.f.) of the battery? current in e.m.f. of circuit / A battery / V A 0.50 2.0 B 0.50 24 C 2.0 2.0 D 2.0 24

1 marks

Answer: D

This question in 0652/21 Oct/Nov 2024

34 Which resistor combination has a combined resistance of 160 Q?

1 marks

Answer: A

This question in 0652/21 Oct/Nov 2024

35 The current in an electric heater is 8.0 A. The circuit of the heater is not fitted with a fuse. The heater is switched off and a 5.0 A fuse is added to the circuit of the heater. What happens now when the heater is switched on? A The heater works normally. B The fuse blows and the heater becomes hotter than before. C The fuse blows and the heater does not become hot. D The metal casing of the heater becomes live.

1 marks

Answer: C

This question in 0652/21 Oct/Nov 2024