Question

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?

• A. -1
• B. -2
• C. -3
• D. -4

Answer 1

Answer: (C)

-3

Answer 2

The direction of magnetic dipole moment is from south to north pole of the magnet. In configuration (1),

In configuration (2),

In configuration (3),

In configuration (4),