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UPSC NDA II 2010 General Ability Paper

PART B : GENERAL KNOWLEDGE

Question : 56

Total: 150

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

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