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Capacitance (A-level only)

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Question 40

A capacitor of capacitance $C\,$ is initially charged to a potential difference $V$ . The charge on the plates is then tripled while the capacitance remains constant. What is the change in the energy stored by the capacitor?

$3CV22\frac{3CV^2}{2}$

$4CV^2$

$9CV22\frac{9CV^2}{2}$

$8CV^2$

Markscheme

Capacitance (A-level only) Questions

A Level
Physics
Capacitance (A-level only)

63 exam-style questions on AQA A Level Physics Capacitance (A-level only), covering Capacitance (A-level only), Parallel plate capacitor (A-level only), Energy stored by a capacitor (A-level only), and Capacitor charge and discharge (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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