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CBSE Class 12-science Answered

What is magnetic dipole moment of a current loop? Give its direction, if any.
Asked by Topperlearning User | 18 May, 2015, 03:45: PM
answered-by-expert Expert Answer

The magnetic dipole moment of the current loop is equal to the product of ampere-turns and area of current loop. It is denoted by M.

M = nIA

Where, n = number of turns in a circular current loop.

I = current through the loop.

A = area of each turn of the loop.

Magnetic dipole moment is a vector quantity. Its direction is perpendicular to the plane of loop outwards for anticlockwise current in loop and is directed inwards for clockwise current in loop.

 

Answered by | 18 May, 2015, 05:45: PM
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