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MHT CET Physics question

PhysicsElectrostatic Potential and CapacitanceMHT CET

A capacitor of capacity 4 µF charged in 50 volt is connected parallel to another capacitor of 2 µF charged to 100 V, with plates of like charges connected together. What is the total energy before and after connection respectively?

Answer: (B)

Solution

Before: ; the common potential is V and the energy

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Question ID VK-075685