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The energy required to charge a parallel...

The energy required to charge a parallel plate condenser of plate separation d and plate area of cross-section A such that the uniform electric field between the plates is E, is:

A

`1/2 epsilon_0 E^2/(Ad)`

B

`epsilon_0E^2/(Ad)`

C

`epsilon_0 E^2Ad`

D

`1/2 epsilon_0E^2Ad`

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