Magnetism Question 142

Question: Substances in which the magnetic moment of a single atom is not zero, is known as

[AFMC 1999]

Options:

A) Diamagnetism

B) Ferromagnetism

C) Paramagnetism

D) Ferrimagnetism

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Answer:

Correct Answer: C

Solution:

The property of paramagnetism is found in these substances whose atoms have an excess of electrons spinning in the same direction. Hence atoms of paramagnetic substances have a net non-zero magnetic moment of their own.