A charged paritcle (charge q) is moving in a circle of radius

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A charged paritcle (charge q) is moving in a circle of radius R with uniform speed v. The associated magnetic moment µ is given by

1. qvR²
2. qvR²/2
3. qvR
4. qvR/2

Correct Option: D

Magnetic moment, m = IA

=	qv	(πR²) =	qvR		∵ I =	q	and T =	2πR
	2πR		2			T		v