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Physics 12 Online
OpenStudy (anonymous):

A parallel plate capacitor has plates of area A and separation d. We connect the capacitor to a battery of V volts. We then disconnect when the capacitor is fully charged.We now increase the plate separation by a small amount dz.What now is the energy stored in the capacitor? Express you answer in terms of the following variables if needed, A, V, d, dz and ϵ0 .

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