Question
Question: A small rod of bismuth is suspended freely between the poles of a strong electromagnet. It is found ...
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
A
Diamagnetic
B
Paramagnetic
C
Ferri-magnetic
D
Antiferro-magnetic
Answer
Diamagnetic
Explanation
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.
