UPSC 2013 CDS 1 GK Paper

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Question : 111 of 120

Marks: +1, -0

If two conducting spheres are separately charged and then brought in contact

the total energy of the two spheres is conserved
the total charge on the two spheres is conserved
both the total energy and the total charge are conserved
the final potential is always the mean of the original potential of two spheres

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