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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.

Find the electric field between the sphere at a distance r from the centre of the inner sphere. `[R lt r lt 3R]`.

A

`(Q)/(2pi epsilon_(0)r^(2))`

B

`(Q)/(pi epsilon_(0)r^(2))`

C

`(Q)/(epsilon_(0)r^(2))`

D

`(Q)/(5pi epsilon_(0)r^(2))`

Text Solution

Verified by Experts

The correct Answer is:
A
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