Magnetism Question 161
Question: Ratio of magnetic intensities for an axial point and a point on broad side-on position at equal distance d from the centre of magnet will be or The magnetic field at a distance d from a short bar magnet in longitudinal and transverse positions are in the ratio
[CPMT 1978, 82; KCET 1998]
Options:
A) 1 : 1
B) 2 : 3
C) 2 : 1
D) 3 : 2
Show Answer
Answer:
Correct Answer: C
Solution:
$ B _{1}=\frac{2M}{d^{3}}.B _{2}=\frac{M}{d^{3}};\ \ \
Therefore \ \frac{B _{1}}{B _{2}}=2:1 $
BETA
