What is the definition of a temporary magnet?
Answer (1)
24th Jan, 2022
Even in a weak field, soft iron and certain iron alloys, such as permalloy (an iron-nickel alloy), can be magnetised relatively quickly. The magnetism, on the other hand, is lost as soon as the field is withdrawn. Temporary magnets, such as those used in telephones and electric motors, are made from these materials.
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