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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A point charge Q is situated (outside ) at a distance r from the centre of an uncharged conducting solid sphere of radius R. The potential due to induced charges ( on the conductor ) at a point B inside the conductor whose distance from the point charge is d is

A point charge Q is situated (outside ) at a distance r from the centre of an uncharged conducting solid sphere of radius R. The potential due to induced charges ( on the conductor ) at a point B inside the conductor whose distance from the point charge is d is

Three equal charges Q are placed at the vertices of an equilateral triangle. What should be the value of a charge that when placed at the centroid reduces the interaction energy of the system to zero.