plumiElectric circuits: CAIE IGCSE Physics questions
Every CAIE IGCSE Physics exam question on 4.3 Electric circuits, June 2024 and the specimen papers, with its mark scheme and examiner’s report.
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Calculations
Q8(a)(ii)
The whole paper ↗
Q7(b)(i)
The whole paper ↗![June 2024 Paper 4, question 7(b)(i): Draw a circuit diagram that shows all the 1.5 V cells connected to produce an e.m.f. of 7.5 V, the variable resistor and the 30 Ω resistor. [3]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/062541-jun24-07-bi-qp.webp)
Q7(b)(ii)
The whole paper ↗
Q2(c)
The whole paper ↗![June 2024 Paper 6, question 2(c): A variable resistor is a circuit component that can be made using a coil of resistance wire. Draw the electrical symbol for a variable resistor. [1] [Total: 11]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/062561-jun24-02-c-qp.webp)
Q10(a)
The whole paper ↗![Specimen Paper 3, question 10(a): On Fig. 10.1, circle the symbol representing the heater. [1]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/062503-spec-10-a-qp.webp)
Q10(b)
The whole paper ↗![Specimen Paper 3, question 10(b): Fig. 10.1 includes a variable resistor. Explain the function of the variable resistor in this circuit. [2]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/062503-spec-10-b-qp.webp)
Q8(a)
The whole paper ↗![Specimen Paper 4, question 8(a): Calculate the combined resistance between Y and Z. resistance = [4]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/062504-spec-08-a-qp.webp)
Q8(b)
The whole paper ↗![Specimen Paper 4, question 8(b): Calculate the potential difference (p.d.) across the 8.0 Ω resistor. p.d. = [2] [Total: 6]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/062504-spec-08-b-qp.webp)
Q2(f)(i)
The whole paper ↗![Specimen Paper 6, question 2(f)(i): Draw an X on the circuit in Fig. 2.1 to show where a variable resistor is connected for this purpose in the experiment. [1]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/062506-spec-02-fi-qp.webp)
Q2(f)(ii)
The whole paper ↗![Specimen Paper 6, question 2(f)(ii): In the space below, sketch the circuit symbol for a variable resistor. [1] [Total: 11]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/062506-spec-02-fii-qp.webp)
All 18 questions on Electric circuits, as a list
- June 2024, Paper 1, Q28 (1 mark): The circuit in the diagram contains four switches, S1, S2, S3 and S4. S1 S2 S4 S3 Which three switches must be closed for the heater to work? A S1, S2 and S3 B
- June 2024, Paper 2, Q27 (1 mark): A diode and a resistor are connected across a variable d.c. supply. Terminal X is initially positive and at a maximum value. The potential difference (p.d.) acr
- June 2024, Paper 3, Q8(a)(ii) (2 marks): The battery is made from cells connected in series. Each cell in the battery has an electromotive force (e.m.f.) of 1.5 V. Calculate the number of cells in the
- June 2024, Paper 4, Q7(b)(i) (3 marks): Draw a circuit diagram that shows all the 1.5 V cells connected to produce an e.m.f. of 7.5 V, the variable resistor and the 30 Ω resistor. [3]
- June 2024, Paper 4, Q7(b)(ii) (4 marks): The resistance of the variable resistor can be varied from 0 Ω to a maximum resistance of 150 Ω. Using the axes in Fig. 7.1, draw a graph to show how the curren
- June 2024, Paper 6, Q2(c) (1 mark): A variable resistor is a circuit component that can be made using a coil of resistance wire. Draw the electrical symbol for a variable resistor. [1] [Total: 11]
- Specimen, Paper 1, Q29 (1 mark): The circuit diagram shows cells connected with a resistor in a series circuit. Each cell has an electromotive force (e.m.f.) of 1.5 V. What is the total e.m.f.
- Specimen, Paper 1, Q30 (1 mark): A computer engineer wants the speed of a fan to increase when the temperature inside a computer increases. The engineer knows that a larger current causes the f
- Specimen, Paper 1, Q31 (1 mark): The diagram shows an electric circuit. R S T switch When the switch is open, which lamp(s) are not lit? A R only B S only C R, S and T D S and T only
- Specimen, Paper 1, Q33 (1 mark): An electric current can produce a heating effect and a magnetic effect. Which row shows the effect that a relay uses and one application of a relay? effect used
- Specimen, Paper 2, Q30 (1 mark): A computer engineer wants the speed of a fan to increase when the temperature inside a computer increases. The engineer knows that a larger current causes the f
- Specimen, Paper 2, Q33 (1 mark): An electric current can produce a heating effect and a magnetic effect. Which row shows the effect that a relay uses and one application of a relay? effect used
- Specimen, Paper 3, Q10(a) (1 mark): On Fig. 10.1, circle the symbol representing the heater. [1]
- Specimen, Paper 3, Q10(b) (2 marks): Fig. 10.1 includes a variable resistor. Explain the function of the variable resistor in this circuit. [2]
- Specimen, Paper 4, Q8(a) (4 marks): Calculate the combined resistance between Y and Z. resistance = [4]
- Specimen, Paper 4, Q8(b) (2 marks): Calculate the potential difference (p.d.) across the 8.0 Ω resistor. p.d. = [2] [Total: 6]
- Specimen, Paper 6, Q2(f)(i) (1 mark): Draw an X on the circuit in Fig. 2.1 to show where a variable resistor is connected for this purpose in the experiment. [1]
- Specimen, Paper 6, Q2(f)(ii) (1 mark): In the space below, sketch the circuit symbol for a variable resistor. [1] [Total: 11]
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