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A solid, uncharged conducting sphere of ...

A solid, uncharged conducting sphere of radius 3a contains a concentric hollowed spherical cavitiy of radius a.

A point charge +Q is placed at the center of the spheres. Taking V=0 at `rto oo`, the potential at positiion r=2a from the center is-

A

`(KQ)/(a)`

B

`(KQ)/(2a)`

C

`(KQ)/(3a)`

D

`(2KQ)/(3a)`

Text Solution

Verified by Experts

The correct Answer is:
C
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