Magnetism Question 203
Question: The intensity of magnetic field is H and moment of magnet is M. The maximum potential energy is
[Pb. PMT 1999; MH CET (Med.) 1999]
Options:
A) MH
B) 2 MH
C) 3 MH
D) 4 MH
Show Answer
Answer:
Correct Answer: A
Solution:
Potential energy $ U=-MB\cos \theta $
$ \Rightarrow {U _{\max }}=MH(\text{at}\theta =180^{o}) $
BETA
