To understand that the charge stored by capacitors represents energy; to be able to calculate the stored energy and its changes under different circumstances.
An air-filled parallel-plate capacitor has plate area A and plate separation d. The capacitor is connected to a battery that creates a constant voltage V.
Part A
Find the energy U0 stored in the capacitor.
Express your answer in terms of A, d, V, and ?0.
Answers: 2
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