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MHT CET Physics question

PhysicsElectrostatic Potential and CapacitanceMHT CET

A spring is compressed by 2 mm by a force of 8 N and a condenser is charged through a potential difference of 200 V possess a charge of 0.1 C; then the ratio of energy stored in the two bodies is

Answer: (A)

Solution

The energy stored in the spring is J and in the condenser it is ; for

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Question ID VK-075516