Three identical metallic uncharged spheres A, B and C of radius a are kept on the corners
Channel: Doubtnut
Date: 2021-11-02

Three identical metallic uncharged spheres A, B and C of radius a are kept on the corners of an equilateral triangle of side `d (d gt gt a)`. A fourth sphere (radius a) which has charge Q touches A and is then removed to a position for away. B is earthed and then the earth connection is removed. c is then earthed. The charge on C is