Magnetism And Matter Ques 1
1. Following figures show the arrangement of bar magnets in different configurations. Each magnet has magnetic dipole moment $\overrightarrow{{}m}$. Which configuration has highest net magnetic dipole moment?
[2014]
A.
B.
C.
D.
(a) A
(b) B
(c) C
(d) D
Show Answer
Answer:
Correct Answer: 1.(c)
Solution:
- (c) Net magnetic dipole moment $=2 Mcos \frac{\theta}{2}$
As value of $\cos \frac{\theta}{2}$ is maximum in case (c) hence net magnetic dipole moment is maximum for option (c).
BETA
