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There are two concentric hollow conducti...

There are two concentric hollow conducting spherical shells of radii r and `R ( R gt r)`. The charge on the outer shell is Q. What charge should be given to the inner shell, so that the potential at a point P , at a distance 2R from the common centre is zero ?

A

`( -Qr )/( R )`

B

`(- QR)/( r )`

C

`( - 2QR)/( r )`

D

`-Q)`

Text Solution

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The correct Answer is:
D
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