A parallel-plate capacitor is connected to a battery and becomes fully charged. The capacitor is then disconnected, and the separation between the plates is increased in such a way that no charge leaks off. As the plates are being separated, the energy stored in this capacitor

a) decreases

b) becomes zero

c) increases

d) does not change

Question

Physics

Marley Calhoun

19 November, 04:25

A parallel-plate capacitor is connected to a battery and becomes fully charged. The capacitor is then disconnected, and the separation between the plates is increased in such a way that no charge leaks off. As the plates are being separated, the energy stored in this capacitor

a) decreases

b) becomes zero

c) increases

d) does not change

+5

Answers (1)

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Trigger · Answer 1

does not change

Explanation:

The energy of the charged capacitor is stored in the electric field that exists between them. when the plates are separated there is no effect on the charged energy between them and energy of the capacitor remains constant.