Home Physics Electrostatics Potential & Capacitance Capacitance Four capacitors of capacitance 10 µF and a b…
Physics Electrostatics Potential & Capacitance Capacitance MCQ (Single Correct)

Four capacitors of capacitance 10 µF and a battery of 2V are arranged as shown. How much µC charge will flow through AB after the switch S is closed?

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The correct answer is:
CHECK THE SOLUTION.

(45)

Sol. When switch is open = C eq. = µ F

q i = C eq. V = × 2 = 15 µC

When switch is closed

C eq. = 30 µF

q f = 30 × 2 = 60 µC

Charge flow through AB = q f – q i = 45µC

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