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A 2 µF capacitor is charged as shown in the figure. The percentage of its stored energy dissipated after the switch S is turned to position 2 is

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A 2 µF capacitor is charged as shown in the figure. The percentage of its stored energy dissipated after the switch S is turned to position 2 is 

(A) 0% 

(B) 20% 

(C) 75% 

(D) 80% 

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1 Answer

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Best answer

Correct option (D) 80%

Explanation: 

q1 = C1 V = 2V = q 

This charge will remain constant after switch is shifted from position 1 to position 2.

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