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NEET 2000 (AIPMT) · Charge Sharing & Loss of Energy

Charge Sharing & Loss of Energy question from NEET 2000 (AIPMT)

Q37NEET 2000 · AIPMTEasy

Charge Sharing & Loss of Energy

A capacitor is charged with a battery and energy stored is U. After disconnecting battery another capacitor of same capacity is connected in parallel to the first capacitor. Then energy stored in each capacitor is

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Answer: (b)

$U = \frac{Q^2}{2C}$ ; after sharing each capacitor has $\frac{Q}{2}$ .
Energy in each $= \frac{(Q/2)^2}{2C} = \frac{U}{4}$
So the answer is (b) $U/4$ .

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