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A battery charges a parallel plate capac...

A battery charges a parallel plate capacitor of thickness `(d)` so that an energy `[U_(0)]` is stored in the system. A slab of dielectric constant `(K)` and thickness `(d)` is then introduced between the plates of the capacitor. The new energy of the system is given by

A

`K U_(0)`

B

`K^(2) U_(0)`

C

`U_(0)/K`

D

`U_(0)/K^(2)`

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The correct Answer is:
A
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