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Question

# In the given circuit, initially K1 is closed and K2 is open. Then K1 is opened and K2 is closed. If qâ€²1 and qâ€²2 are charges on C1 and C2 and V1 and V1 are the voltage respectively, then

A
charge on C1 gets redistributed such that V1 = V2
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B
charge on C1 gets redistributed such that q1 = q2
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C
charge on C1 gets redistributed such that C1V1 = C2V2 = C1V
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D
charge on C1 gets redistributed such that q1 + q2 = 2q
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Solution

## The correct option is B charge on C1 gets redistributed such that V1 = V2From the figure, when K1 is closed and K2 is open, C1 is charged to potential V acquiring a total chargeq=C1VWhen K1 is open and K2 is closed, battery is cut off C1 and C2 are in parallel. The charge on C1 is shared between C1 and C2 such that V1=V2As there is no loss of charge q′1+q′2=q

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