A 10.0-mF capacitor is attached to a 20-V power supply.How much energy is stored in the capacitor? A)2.0 x 10^-3 J B)1.2 x 10^-3 J C)2.0 x 10^-4 J D)5.2 x 10^-4 J

Name: A 10.0-mF capacitor is attached to a 20-V power supply.How much energy is stored in the capacitor? A)2.0 x 10 -3 J B)1.2 x 10 -3 J C)2.0 x 10 -4 J D)5.2 x 10 -4 J
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Question

Quizplus · Accepted Answer

The energy stored in a capacitor is given by the formula E = 0.5 * C * V^2. Substituting the given values, E = 0.5 * 10.0 x 10^-3 F * (20 V)^2 = 2.0 x 10^-3 J.

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