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Parallel and Series Combination of Capacitors

When a capaci...

Question

When a capacitor is charged by a battery; is the energy stored in the capacitor same as energy supplied by the battery

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Solution

No.
Energy stored in the capacitor= $\frac{1}{2} C V^{2} = \frac{1}{2} q V$
while energy supplied by battery = $q V$ .
The balance of energy is dissipated as heat during charging.

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