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A Certain Capacitor Has a Capacitance of 5 μ\mu F After It Is Charged to 5

Question 42

Multiple Choice

A certain capacitor has a capacitance of 5.0 μ\mu F. After it is charged to 5 μ\mu C and isolated, the plates are brought closer together so its capacitance becomes 10 μ\mu F. The work done by the agent is about:


A) 0
B) 1.25 *10-6 J
C) -1.25 * 10-6 J
D) 8.3* 10-7 J
E) -8.3 * 10-7 J

Correct Answer:

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