In the given circuit, initially K1 is closed and K2 is open. Then K1 is opened and K2 is closed. If q′1 and q′2 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 q′1 = q′2
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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 q′1 + q′2 = 2q
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Solution
The correct option is B charge on C1 gets redistributed such that V1 = V2
From the figure, when K1 is closed and K2 is open,
C1 is charged to potential V acquiring a total charge
q=C1V When
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=V2 As there is no loss of charge q′1+q′2=q