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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A ring of radius R has charge -Q distributed uniformly over it ,. calculate the chrage that should be placed at the centre of the ring such that the electric field becomes zero at a point on the axis of the ring at distant R from the centre of the ring.

A ring of radius R has charge -Q distributed uniformly over it ,. calculate the chrage that should be placed at the centre of the ring such that the electric field becomes zero at a point on the axis of the ring at distant R from the centre of the ring.

. calculate the chrage that should be placed at the centre of the ring such that the electric field becomes zero at a point on the axis of the ring at distant R from the centre of the ring. A ring of radius R has charge -Q distributed uniformly over it