A solid conducting sphere of radius a having a charge q is surrounded by a concentric conducting spherical shell of inner radius 2a and outer radius 3a as shown in figure.

                      

Find the amount of heat produced when switch is closed.

1. Kq2/2a                         

2. Kq2/3a

3. Kq2/4a                         

4. Kq2/6a

Concept Videos :-

#23 | Combination of Capacitors
#24 | Practise Problems
#32 - Derivation: Combination of Capacitors

Concept Questions :-

Combination of capactiors
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