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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

`m_A = m_B`

B

`m_Bgt m_A`

C

`m_B lt m_A`

D

none of these

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