. The heat generated in the circuit after closing the switch is
CV2
(1)
(2) CV
2
(3) 2CV2
(4) Zero
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Answer:(option 3) 2CV^2
work done by battery=2Q.V
=2CV.V^2
=2CV^2
final energy of capacity =1/2CV^2-1/2CV^2+2CV^
=2CV^
Explanation:initial energy of capacitor =1/2CV^2
when switch is close .then charge will flow and positive plate become -ve and negative plate become +ve.
theta=CV
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