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Q. A $ 5.0\, μF $ capacitor is charged to a potential difference of $ 800\, V $ and discharged through a conductor. The energy given to the conductor during the discharge is

UPSEEUPSEE 2009

Solution:

Energy given to conductor $=\frac{1}{2} \,C V^{2}$
$=\frac{1}{2} \times 5 \times 10^{-6} \times(800)^{2}$
$=1.6 \,J$