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NEET 2000 Physics question

PhysicsElectrostatic Potential and CapacitanceNEET 2000

A capacitor is charged with a battery and energy stored is . After disconnecting battery another capacitor of same capacity is connected in parallel with it. Then energy stored in each capacitor is :

Answer: (2)

Solution

Initially . After disconnecting the battery the charge is fixed. On connecting an identical uncharged capacitor in parallel, charge redistributes until the potentials are equal: common potential ,

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Question ID VK-088539