Home Physics Electrostatics Potential & Capacitance Capacitance In the circuit shown in figure, each capacit…
Physics Electrostatics Potential & Capacitance Capacitance MCQ (Single Correct)

In the circuit shown in figure, each capacitor has a capacitance C. The emf of the cell is E and circuit already in steady state. If the switch S is closed.

A
some positive charge will flow out of the positive terminal of the cell
B
some positive charge will enter the positive terminal of the cell
C
the amount of charge flowing through the cell will be CE
D
the amount of charge flowing through the cell will be CE

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The correct answer is:
CHECK THE SOLUTION.

(a, d)

equivalent capacitance before switch closed is C eq = ,

Total charge flow through the cell is q =

equivalent capacitance after switch S closed is C eq = 2C

Total charge flow through the cell is q = 2CE

Therefore some positive charge flow through the cell after closing the switch is = q f – q i = 2CE –

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