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A solid metal sphere of radius R has a c...

A solid metal sphere of radius R has a charg +2Q. A hollow spherical shell of radius 3R placed concentric with the frist sphere has net charge -Q.

If the inner sphere is earthed, what is the charge on it.

A

`(2Q)/(3)`

B

`(Q)/(2)`

C

`(5Q)/(2)`

D

`(Q)/(3)`

Text Solution

Verified by Experts

The correct Answer is:
D
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