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MHT CET Physics question

PhysicsElectrostatic Potential and CapacitanceMHT CET

A battery is used to charge a parallel plate capacitor till the potential difference between the plates becomes equal to the electromotive force of the battery. The ratio of the energy stored in the capacitor and the work done by the battery will be

Answer: (D)

Solution

Energy stored while the work done by the battery is , so the ratio is

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Question ID VK-075553