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NEET 2001 (AIPMT) · Current Loop as a Magnetic Dipole

Current Loop as a Magnetic Dipole question from NEET 2001 (AIPMT)

Q83NEET 2001 · AIPMTEasy

Current Loop as a Magnetic Dipole

If number of turns, area and current through a coil is given by n, A and $i$ respectively then its magnetic moment will be

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Answer: (a)

Each turn has moment $iA$ ; $n$ turns add up.
$m = niA$ , so the answer is (a).

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