Magnetism Question 178
Question: The magnetic induction in air at a distance d from an isolated point pole of strength m unit will be
[MNR 1987; CPMT 1991; MP PET 1995; AMU 1999; J & K CET 2005]
Options:
A) $ \frac{m}{d} $
B) $ \frac{m}{d^{2}} $
C) $ md $
D) $ md^{2} $
Show Answer
Answer:
Correct Answer: B
Solution:
$ B=\frac{m}{{{d}^{^{2}}}} $ in C.G.S. system.
BETA
