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krishna yadav Grade: 12
        

Why do we prefer steel or alnico for making permanent magnets?

7 years ago

Answers : (1)

anuj Yadav
47 Points
										

The material which we choose for making magnet should have high coercivity. The high coercivity ensures that magnetism in the material stays for a longer time. As steel and alnico have high coercivity, therefore, they are used for making permanent magnets.

7 years ago
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