R/√2
Consider a uniforml charged ring of radius R. Find the point on the axis where the electric field is max ?
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8 Answers
ANKIT MAHATO
·2009-05-01 09:45:59
take a point at a distance z from the center on the axis of the ring ...find the electric field at that point ... now just differentiate that and equate it to 0 .. u will get the value of z as R/√2 .. tell me which book do u refer for PHYSICS ...