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Capacitance (A-level only)

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Question 42

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?

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

$4CV^2$

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

$8CV^2$

Capacitance (A-level only) Questions

A Level
Physics
Capacitance (A-level only)