MHT CET Physics question
Two spherical conductors B and C having equal radii and carrying equal charges in them repel each other with a force F, when kept apart at same distance. A third spherical conductor having same radius as that of B but uncharged is brought in contact with B, then brought in contact with C and finally removed away from both. The new force of repulsion between B and C is
Answer: (D)
Solution
With initial charge Q each, B becomes after touching the third sphere; the third sphere then shares with C:
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