- Define the following:
(a) Natural magnet (b) Artificial magnet
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Explanation:
Natural magnet is also called permanent magnet , its strength can not be increased .... And the artificial magnet is like a electromagnet., its strength can be increased....
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Answer:
Natural magnet :A natural magnet is a magnet that occurs naturally in nature. All natural magnets are permanent magnets, meaning they will never lose their magnetic power. ... The strongest natural magnet material is lodestone, also called magnetite.
Artificial magnet : Artificial magnets are magnets made by people. ... An example of a natural magnet is the lodestone, also called magnetite. Other examples are pyrrhotite, ferrite, and columbite. Examples of permanent artificial magnets include refrigerator magnets and neodymium magnets.
Explanation:
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