Materials suitable for permanent magnet,...

Materials suitable for permanent magnet, must have which of the following properties?

High retantivity low coercivity and high permeability

Low retantivity low coercivity and low permeability

Low retantivity high coercivity and low permeability

High retantivity high coercivity and high permeability

Verified by Experts

The correct Answer is:

Materials suitbale for permanent magnetis should have retentivity, high coercivity and high permeability.

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Permanent magnets are the substances having the property of

ferromagnetism at room temperature for long period of time.

paramagnetism at room temperature for a long period of time.

anti ferromagnetism at room temperature for a long period of time.

diamagnetism at room temperature for a long period of time.