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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > The point charge q is within the cavity of an electrically neutral conducting shell whose outer surface has spherical shape. Find the potential V at a point P lying outside the shell at distance r from the center O of the outer sphere.

The point charge q is within the cavity of an electrically neutral conducting shell whose outer surface has spherical shape. Find the potential V at a point P lying outside the shell at distance r from the center O of the outer sphere.

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.