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A very large sphere having charge Q unif...

A very large sphere having charge `Q` uniformly distributed on the surface s compressed uniformly till its radius reduces to `R`. The work done by the electric force in this process is :

A

`(Q^2)/( 8 pi epsilon_(0) R )`

B

`(Q^2)/( 8 pi epsilon_(0) R)`

C

`oo`

D

`0`

Text Solution

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The correct Answer is:
B
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RESNICK AND HALLIDAY-ELECTRIC POTENTIAL-(PRACTICE QUESTIONS) Single Correct Choice Type
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  10. Identical point charges of +1.7 mu C are fixed to diagonally opposite ...

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