Permanent Magnets vs. Electromagnets
The only magnet you are able to find naturally is called a lodestone. This is a naturally magnetized piece of the mineral magnetite. But all the permanent magnets you buy has been refined and is usually an alloy, a combination of different metallic elements.
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Explanation:
Permanent Magnets vs. Electromagnets:The only magnet you are able to find naturally is called a lodestone. This is a naturally magnetized piece of the mineral magnetite. But all the permanent magnets you buy has been refined and is usually an alloy, a combination of different metallic elements.
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