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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 center of the ring such that the electric field becomes zero at a point on the axis of the ring distant R from the center of the ring . The value of q is ( Q/4 ) root N. Find the value of N?

A ring of radius R has charge -Q distributed uniformly over it ,. calculate the chrage that should be placed at the center of the ring such that the electric field becomes zero at a point on the axis of the ring distant R from the center of the ring . The value of q is ( Q/4 ) root N. Find the value of N?

A ring of radius R has charge -Q distributed uniformly over it Figure (a) shows a uniformly charged ring of radius r . its axis is along the x- axis and teh ring is in teh yz plane . point P can be anywhere on the x - axis and P' in the xy plane.