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A solid conducting spere of radius 10 cm...

A solid conducting spere of radius `10 cm` is enclosed by a thin metallic sheel of radius `20 cm`. A charge `q=20 mu C` is given to the inner spere. Find the heat generated in the process. The inner sphere is connected to the shell by a conducting wire.
.

A

12 J

B

9 J

C

24 J

D

Zero

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B
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