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MHT CET Physics question

PhysicsElectrostatic Potential and CapacitanceMHT CET

Two capacitors and are charged is 120 V and 200 V respectively. It is found that by connecting them together, the potential on each one can be made zero. Then

Answer: (B)

Solution

Joining with opposite polarity makes both potentials zero only if the net charge is zero: , i.e.

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Question ID VK-075523