Ratio of magnetic moment in square and circular coil

Question

A coil of N turns and radius R carries a current I. It is unwound and then rewound to make a square coil of side A having the same number of turns N. Keeping the current same, find the ratio of the magnetic moment of the square and circular coil.

 

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Physics Nageshwar Rathore 3 months 1 Answer 132 views 0

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