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The insulated spheres of radii R(1) and ...

The insulated spheres of radii `R_(1)` and `R_(2)` having charges `Q_(1)` and `Q_(2)` respectively are connected to each other. There is

A

No change in the energy of the system

B

An increase in the energy of the system

C

Always a decrease in the energy of the system

D

A decrease in energy of the system unless `Q_(1) R_(2) = Q_(2)R_(1)`

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