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A solid conducting sphere of radius r is...

A solid conducting sphere of radius r is having a charge of Q and point charge q is a distance d from the centre of sphere as shown. The electric potential at the centre of the solid sphere is :

A

`(1)/(4 pi in_(0))[(Q -q)/(r) + (q)/(d)]`

B

`(1)/( 4pi in_(0))[(Q)/(r) + (Q-q)/(d)]`

C

`(1)/(4 pi in_(0))[(Q)/(r) + (q)/(d)]`

D

Zero

Text Solution

Verified by Experts

The correct Answer is:
C
`V=Q/(4 pi e_0 r) +q/(4 pi e_0 d)`
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