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Question

When the switches S1 and S2 are closed, the ratio of final energy to the initial energy of the system is


A

14

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B

19

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C

12

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D

1

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Solution

The correct option is D

1


There will be no redistribution of charges since the initial potential of both the capacitors is same as that of the common potential after connecting them in parallel. So if there is no redistribution of charges so there will be no energy dissipation. Therefore initial and final energy of the system is going to remain the same.


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