plz give me d solution

JEE Advanced Guidance › Electricity and magnetism questions › plz give me d solution

A point charge q is located at the centre of a thin ring of radius R with uniformly distributed charge -q. find the magnitude of the electric field strength vector at the point lying on the axis of the ring at a distance x from its centre, if x>>R.
ans - (3kqR²)/x⁴

#Physics #Electricity and magnetism

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2 Answers

106

Asish Mahapatra ·2009-04-16 10:14:17

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rupal jain ·2009-04-16 21:28:32

thanx..
i got understood ur method but the ans is 3qr²/(4\piÎµ_ox⁴)

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Basic Integral Calculus Operators Symbols Matrix Cases

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