Two spherical conductors B and C having equal rad

Question

Two spherical conductors B and C having equal radii and carrying equal charges repel each other with a force F when kept at some distance. A third spherical conductor having same radius as that of B but uncharged is brought in contact with B then with C and removed away from both. What is the new force of repulsion between B and C?

Vikas TU · Accepted Answer

Let the initial charge on B and C is q,After third sphere comes in contact with B then new charge on B and the third conductor would be=q/2and third conductor come in contact with C so total charge =q/2 + q =3q/2From Equal distribution of charge,Charge on C = 3q/4now force = k (q/2)(3q/4) /d2= 3F/8

Electrostatics> Two spherical conductors B and C having e...

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Ravin Kanojiya , 8 Years ago

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