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A solid conducting sphere of radius 'a' ...

A solid conducting sphere of radius 'a' is surrounded by a thin uncharged concentric conducting shell of radius `2a`. A point charge q is placed at a distance `4a` from common centre of conducting sphere and shell. The inner sphere is then grounded
Pick up the correct statement.

A

`- q/2`

B

`-q/4`

C

`-q/8`

D

`-q/16`

Text Solution

Verified by Experts

The correct Answer is:
B
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