magnetism

Question: A straight wire carrying current i is turned into a circular loop. If the magnitude of magnetic moment associated with it in M.K.S. unit is M, the length of wire will be

1) $4\pi iM$

2) $\sqrt {\frac{{4\pi M}}{i}} $

3) $\sqrt {\frac{{4\pi i}}{M}} $

4) $\frac{{M\pi }}{{4i}}$

Solution:

Explanation: No Explanation

Magnet and It's Properties

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