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A solid metallic sphere has a charge + 3...

A solid metallic sphere has a charge + 3Q. Concentric with this sphere is a conducting spherical shell having charge -Q. The radius of the sphere is a and that of the spherical shell is b (b`gt`a). What is the electric field at a distance R (`a ltRltb`) from the centre.

A

`Q/(2pi epsilonR)`

B

`(3Q)/(2 pi epsilon_0 R)`

C

`(3Q)/(4pi epsilon_0 R^2)`

D

`(4Q)/(2pi epsilon_0 R^2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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