Question

If a magnetic wire of length L and magnetic moment
M is bent in the form of a circle. The resultant
magnetic moment is?

Answer 1

Answer:

Magnetic moment, M=ml

lM=m, where m is the polestrength.

Therefore distance between poles =(l/2)2+(l/2)2=2l

So, M′=2ml=2M

Explanation:

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