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there is a ring of radius 'r'. a point charge q is placed at a distance of a from the centre of ring. find relation between a and r

there is a ring of radius 'r'. a point charge q is placed at a distance of a from the centre of ring. find relation between a and r


 

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1 Answers

anurag hundal
21 Points
7 years ago

E=kqr/(r^2+a^2)^3/2

 

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