Capacitance: past paper questions

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• Question 5May/June 2026, paper 41Structured8 marksHas a diagram

  Define the capacitance of a parallel plate capacitor.

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• Question 6Oct/Nov 2025, paper 41Structured11 marks

  Two parallel plate capacitors ${\text{C}}_1$ and ${\text{C}}_2$ are connected to a supply that has a potential difference (p.d.) $V_{\text{S}}$. The capacitors may be connected in series or in parallel.

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• Question 6Oct/Nov 2024, paper 41Structured11 marksHas a diagram

  State what is meant by rectification of an alternating voltage.

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• Question 6Oct/Nov 2023, paper 42Structured9 marksHas a diagram

  A capacitor C is charged so that the potential difference (p.d.) $V$ across its terminals is $8.0\text{ V}$. The capacitor is connected into the circuit of Fig. 6.1. The switch is initially open.

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• Question 6May/June 2026, paper 42Structured13 marksHas a diagram

  Define electric potential at a point.

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• Question 6Oct/Nov 2025, paper 42Structured11 marksHas a diagram

  Define electric field at a point.

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• Question 7Oct/Nov 2024, paper 42Structured10 marksHas a diagram

  Define the capacitance of a parallel-plate capacitor.

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• Question 5May/June 2023, paper 41Structured9 marksHas a diagram

  Part of an electric circuit is shown in Fig. 5.1. The circuit is used to produce half-wave rectification of an alternating voltage of potential difference (p.d.) $V_{\text{IN}}$. The output p.d.

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• Question 6Oct/Nov 2025, paper 43Structured11 marks

  Two parallel plate capacitors ${\text{C}}_1$ and ${\text{C}}_2$ are connected to a supply that has a potential difference (p.d.) $V_{\text{S}}$. The capacitors may be connected in series or in parallel.

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• Question 5May/June 2023, paper 42Structured9 marksHas a diagram

  Two capacitors A and B are connected into the circuit shown in Fig. 5.1. Capacitor A has capacitance $C$ and capacitor B has capacitance $3C$. The electromotive force (e.m.f.) of the cell is $V$.

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• Question 6May/June 2025, paper 41Structured12 marksHas a diagram

  Fig. 6.1 shows a circuit that rectifies an alternating input voltage $V_{\mathrm{I}\mathrm{N}}$ and produces an output voltage $V_{\mathrm{O}\mathrm{U}\mathrm{T}}$ across a resistor $R$.

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• Question 6May/June 2024, paper 41Structured10 marksHas a diagram

  Fig. 6.1 shows a capacitor of capacitance $C$ connected in series with a resistor of resistance $R$. Fig. 6.1 Initially the switch is open and there is a p.d. of $12\mathrm{V}$ across the capacitor.

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• Question 6May/June 2025, paper 43Structured12 marksHas a diagram

  Fig. 6.1 shows a circuit that rectifies an alternating input voltage $V_{\text{IN}}$ and produces an output voltage $V_{\text{OUT}}$ across a resistor $R$.

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• Question 6May/June 2024, paper 42Structured10 marksHas a diagram

  Two capacitors X and Y are connected in series to a power supply of voltage $V$, as shown in Fig. 6.1. The capacitance of X is $C_{\mathrm{X}}$ and the capacitance of Y is $C_{\mathrm{Y}}$.

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