The insulated spheres of radii R1 and R2 having charges Q1 , and Q2, respectively, are connected to each other. There is

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No change in the energy of the system

An increase in the energy of the system

Always a decrease in the energy of the system

A decrease in the energy of the system until Q1R2 = Q2R1

answer is D.

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Detailed Solution

When Q1R1≠Q2R2 current will flow in connecting wire so that energy decreases in the form of heat through the connecting wire.

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