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A non-conducting sphere of radius R is g...

A non-conducting sphere of radius R is given a charge Q. Charge is uniformly distributed in its volume. The electric potential at centre and at the surface of sphere respectively are

A

zero and` (Q/4pi epsilon_0 R)`

B

`(Q/4pi epsilon_0 R)` and zero

C

`(3Q/4pi epsilon_0 R)`and `(Q/4pi epsilon_0 R)`

D

`(3Q/8pi epsilon_0 R)`and `(Q/4pi epsilon_0 R)`

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