Energy stored in a capacitor is ?
(a) \( \frac{1}{2} QV \)
(b) \( QV \)
(c) \( \frac{1}{QV} \)
(d) \( \frac{2}{QV} \)
Answer : (a) \( \frac{1}{2} QV \)
\( U = \text{Area} = \frac{1}{2} \times \text{Base} \times \text{Height} = \frac{1}{2} QV \)
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