Physics, asked by shubhjoshi4628, 11 months ago

A circular coil of n turns and radius r carries a current i it is

Answers

Answered by Anonymous
1

Answer:

We know that

Magnetic moment = n i A

= ni × pi r ^2

And magnetic field at the centre of a circular coil

B= m Ni/2r ( m = permeability of free space)

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