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Which of the following is a strong magnet?

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in Engineering Physics II by (679k points)
Which of the following is a strong magnet?

(a) Diamagnetic material

(b) Paramagnetic material

(c) Antiferromagnetic material

(d) Ferromagnetic material

This question was posed to me in an international level competition.

The query is from Theory of Ferromagnetism in chapter Magnetic Properties of Materials of Engineering Physics II

1 Answer

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Best answer
The correct answer is (d) Ferromagnetic material

Explanation: The ferromagnetic materials have a permanent dipole moment. So they act as strong magnets.

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