Question

A coil of wire has an area of 600sq.cm and has 500 turns. It carries 1.5A current, its magnetic dipole moment is?

Answer 1

Answer:

J=M×B

=ni A×B

=1×10−3×100×10−4×10−3×500×sin30o

=25×10−7Nm.

Since. Plane makes an angle of 60o with the lines of induction, it will makes an angle of 30o with it's normal.

Explanation:

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