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A sphere of 4 cm radius is suspended wit...

A sphere of `4 cm` radius is suspended within a hollow sphere of `6 cm` radius. The inner sphere is charged to potential `3` e.s.u. and the outer sphere is earthed. The charge on the inner sphere is

A

54 e.s.u.

B

`(1)/(4)` e.s.u.

C

30 e.s.u.

D

36 e.s.u.

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The correct Answer is:
D
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ERRORLESS -ELECTROSTATICS -Ordinary Thinking Objective Questions (Electric Field and Potential)
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