question_answer

Two insulated charged spheres of radii \[{{R}_{1}}\] and \[{{R}_{2}}\] having charges \[{{Q}_{1}}\] and \[{{Q}_{2}}\] respectively connected to each other. There is:

A)  an increase in the energy of the system

B)  no change in the energy of the system

C)  always decrease in energy

D)  a decrease in energy of the system unless \[{{Q}_{1}}{{R}_{2}}={{Q}_{2}}{{R}_{1}}\]