Questions

In the arrangement of capacitors shown in Fig. 3.61, the capacitors are initially uncharged, and now are connected with switch S open. Find the potential of point b and the amount of charge flowing through the switch, when it is closed :

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66.7 V, 300 μC

66.7 V, 400 μC

100 V, 300 μC

133.3 V, 400 μC

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detailed solution

Correct option is C

When switch S is openTotal capacity of circuit = 4 μFTotal charge stored = 200 x 4 μC = 800 μCWhere switch S is closedIt is clear that potential of point b = 100 Vand charge flown through S = 200 + 100 = 300 μC

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Similar Questions

Before connecting to the circuit shown in figure, all capacitors were uncharged. The circuit now is in steady state. Now the switch S is closed. During the time the steady state is reached again

Column - I		Column - II
(i)	Charge on C₁	p.	increases
(ii)	Charge on C₂	q.	decreases
(iii)	Charge on C₃	r.	remains same
(iv)	Charge on C₄	s.	becomes zero