alleryStart learning →A 2 microfarad capacitor is charged to 100 V. How much energy is stored?
A0.01 J
B0.02 J
C0.1 J
D1 J
Answer & Solution
Correct answer: A. 0.01 J
U = 0.5 x 2e-6 x (100)^2 = 0.5 x 2e-6 x 1e4 = 0.01 J.
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