Practise

Question bank

Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.

TopicSkillDifficulty

12 questions

SA-9702-CA1-0011 markL1 FoundationCalculatorCapacitance

470

μF capacitor is charged to

12

V. Calculate the charge stored, in mC.

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SA-9702-CA1-0031 markL1 FoundationCalculatorCombining capacitors

Calculate the combined capacitance of

10

μF and

15

μF in series.

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SA-9702-CA1-0041 markL1 FoundationCalculatorCapacitance

Capacitance is defined as

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SA-9702-CA1-0061 markL1 FoundationCalculatorCombining capacitors

For capacitors connected in series, which quantity is the same for each?

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SA-9702-CA1-0081 markL1 FoundationCalculatorCombining capacitors

Three

4.7

μF capacitors are connected in parallel. Calculate the total capacitance.

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SA-9702-CA1-0091 markL1 FoundationCalculatorCapacitance

The farad is equivalent to

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SA-9702-CA1-0121 markL1 FoundationCalculatorCombining capacitors

Two identical capacitors of capacitance

C

in series have a combined capacitance of

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SA-9702-CA1-0022 marksL2 StandardCalculatorCombining capacitors

3.0

μF capacitor is in series with a parallel combination of

2.0

μF and

4.0

μF. Calculate the total capacitance.

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SA-9702-CA1-0052 marksL2 StandardCalculatorCapacitance

Calculate the capacitance of an isolated sphere of radius

0.15

m, in pF. (

\varepsilon_0=8.85\times10^{-12}

F m⁻¹)

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SA-9702-CA1-0071 markL2 StandardCalculatorCombining capacitors

Capacitors of

2.0

μF and

6.0

μF are in series across

12

V. Calculate the p.d. across the

2.0

μF capacitor.

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SA-9702-CA1-0101 markL2 StandardCalculatorCapacitance

A capacitor stores

60

μC at

15

V. Calculate its capacitance.

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SA-9702-CA1-0113 marksL3 ExamCalculatorCombining capacitors

3.0

μF capacitor in series with a parallel pair of

2.0

μF and

4.0

μF is connected to a

12

V supply. Calculate the charge on the

4.0

μF capacitor.

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