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A current-carrying circular loop is loca...

A current-carrying circular loop is located in a uniform external magnetic field. If the loop is free to turn, what is its orientation of stable equilibrium ? Show that in this orientation, the flux of the total field (external field + field produced By the loop) is maximum.

Text Solution

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The plane of the loop is perpendicular to the direction of magnetic field because the torque on the loop in this orientation is zero.
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