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Calculate the energy stored in the capacitor of capacitance 2μF, at the instant when the voltmeter 'V' gives a reading of 15 V and the ammeter A reads 15 mA. Resistance of voltmeter is unknown and ammeter is 999 $Ω$ .

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10 μJ

0.5 μJ

5 μJ

answer is D.

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Detailed Solution

Since potential difference across AD and across CD is same, so A and C are on same potential. Therefore energy stored in the capacitor at given instant is zero.

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