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A conducting sphere of radius R is given...

A conducting sphere of radius R is given a charge Q. The electric potential and the electric field at the centre of the sphere respectively are

A

Zero and `Q/(4piin_0R_2)`

B

`Q/(4piin_0R)` and zero

C

`Q/(4piin_0R)` and `Q/(4piin_0R_2)`

D

Both are zero

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The correct Answer is:
B
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