What is the difference between an electromagnet and a permanent magnet 2024?
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A permanent magnet is made from a "hard" magnetic material that maintains its magnetism over long periods of time. The magnetism in an electromagnet is created by current running through a coil of insulated wire that is wound around a piece of "soft" magnetic material.
2023-04-28 01:01:01
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Harper Cole
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A permanent magnet is made from a "hard" magnetic material that maintains its magnetism over long periods of time. The magnetism in an electromagnet is created by current running through a coil of insulated wire that is wound around a piece of "soft" magnetic material.