Magnetism and Matter - Result Question 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.
C.
B.
D.
Show Answer
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).
