The insulated metal spheres of radii R 1 and R 2 having charges Q 1 and Q 2 respectively are connected to each other. There is Options: A . &nbsp No change in the energy of the system B . &nbsp An increase in the energy of the system C . &nbsp Always a decrease in the energy of the system D . &nbsp A decrease in the energy of the system unless Q 1 R 2 =Q 2 R 1

The insulated metal spheres of radii R1 and R2 having charges Q1 and

Discussion Forum : Capacitance

Question -

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

Options:

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 the energy of the system unless Q₁R₂=Q₂R₁

Answer: Option D
:
D

When Potentials of spheres are unequal, current will flow in connecting wire so that energy decreases in the form of heat through the connecting wire.

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Discussion Forum : Capacitance

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