Ncert Exercises & Solutions

A current-carrying circular loop of radius R is placed in the x-y plane with center at the origin. Half of the loop with x > 0 is now bent so that it now lies in the y-z plane.

1.	The magnitude of the magnetic moment now diminishes.
2.	The magnetic moment does not change.
3.	The magnitude of B at (0, 0, z), z >>R increases.
4.	The magnitude of B at (0, 0, z), z >>R is unchanged.

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