The magnetic dipole moment of the current loop is independent of

a) number of turns

b) area of the loop

c) current in the loop

d) magnetic field in which it is lying

Answer: d) magnetic field in which it is lying

Solution:

The magnetic dipole moment of a current is given by 

M=NIA

here, N= number of turns

I= current in a loop

A= area of the loop

From the above relation, it is clear that the magnetic dipole moment of a current loop is independent of the magnetic field in which it is lying.

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