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Two identical metallic spheres A and B o...

Two identical metallic spheres A and B of exactly equal masses m are taken. A is given a +ve charge of q coulomb and B is given an equal negative charge. If `m_A` and `m_B` are the mass of A and B after charging then

A

mass of A and mass of B still remain equal

B

mass of A increases

C

mass of B decreases

D

mass of B increases

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