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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > 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>>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

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>>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

A solid conducting sphere of radius 10cm is enclosed by a thin metallic shell of radius 20cm. A charge q=20μC is given to the inner sphere is connected to the shell by a conducting wire. Three identical metallic uncharged spheres A