Question

Q.9. After charging the capacitor, battery is disconnected. which of the following remains unchanged , when the plates of the capacitor are moved apart ?​

Answer 1

Answer:

When the capacitor is charged and then disconnected, the charge across the plates remains a constant, even when the plates are separated.

The capacitance is related to the structure of parallel plate capacitor as

d

Aϵ

0

.

When the plates are separated, the distance between the plates d increases and hence the capacitance decreases.

Hence from Q=CV, the voltage across the capacitor increases in order to keep the charge constant.

Explanation:

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