An electromagnet is used to separate magnetic materials from non magnetic material. Why is steel unsuitable as the core of the electromagnet?
•It forms a permanent magnet .
•It has a high density .
•It has a high thermal capacity .
•It has a good conductor of electricity
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An electromagnet is used to separate magnetic materials from non magnetic material. Why is steel unsuitable as the core of the electromagnet?
so correct answer is
•It forms a permanent magnet .
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The magnetic field lines around a bar magnet are evenly spaced. An electromagnet is used to separate magnetic metals from non-magnetic metals. Why is steel not suitable as the core of the electromagnet? It forms a permanent magnet.
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