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MHT CET Physics question

PhysicsElectrostatic Potential and CapacitanceMHT CET

A capacitor of 4 F charged to 50 V is connected to another capacitor of 2 F, charged to 100 V. The total energy of the combination is

Answer: (B)

Solution

Energies of the two charged capacitors are J and J, giving a total of

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Question ID VK-075341