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A wire of length L metre carrying a curr...

A wire of length L metre carrying a current of I ampere is bent in the form of a circle. Find its magnetic moment.

Text Solution

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`L=2piR` or `R=L//2pi`,
Magnetic moment `=IA=IpiR^2`
`=Ipi((L)/(2pi))^2=IL^2//4pi`
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