Question: A 15 nF capacitor is connected across a 70 V battery. How much work must be done in order to double the plate separation (a)

A 15 nF capacitor is connected across a 70 V battery. How much work must be done in order to double the plate separation
(a) With the battery connected, and
(b) With it disconnected?

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a Let us write C 0 for the initial capacitance of the capacitor and V for the emf of the battery Sin... View full answer

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