Magnetic Effects Of Current Question 170
Question: The radius of a circular loop is r and a current i is flowing in it. The equivalent magnetic moment will be [CPMT 1990]
Options:
A) ir
B) $ 2\pi ir $
C) $ i\pi r^{2} $
D) $ \frac{1}{r^{2}} $
Show Answer
Answer:
Correct Answer: C
Solution:
$ M=i\pi r^{2} $
BETA
