Magnetic Effects Of Current Question 178

Question: A small coil of N turns has area A and a current I flows through it. The magnetic dipole moment of this coil will be [MP PMT 1994]

Options:

A) $ NI/A $

B) $ NI^{2}A $

C) $ N^{2}AI $

D) NIA

Show Answer

Answer:

Correct Answer: D

Solution:

Magnetic dipole moment of coil = NIA