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If a capacitor connected to a battery is...

If a capacitor connected to a battery is fully charged, then a dielectric (k) is inserted between plates then increase in the potential energy is

A

k times

B

k-1 times

C

`1/k` times

D

`k^2` times

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JEE MAINS PREVIOUS YEAR-JEE MAIN 2021-PHYSICS SECTION B
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