Magnetism Question 149

Question: A small rod of bismuth is suspended freely between the poles of a strong electromagnet. It is found to arrange itself at right angles to the magnetic field. This observation establishes that bismuth is

[Kerala 2002]

Options:

A) Diamagnetic

B) Paramagnetic

C) Ferri-magnetic

D) Antiferro-magnetic

Show Answer

Answer:

Correct Answer: A

Solution:

A diamagnetic rod set itself perpendicular to the field if free to rotate between the poles of a magnet as in this situation the field is strongest near the poles.