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Question
What is Permanent magnet ? Give an example.
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Solution
Permanent magnets are artificial magnets that retain their magnetic property even in the absence of an external magnetic field. These magnets are produced from substances like hardened steel and some alloys.
Magnets used in refrigerators, speakers, fridge and magnetic compass are some familiar examples of a permanent magnet.
Permanent magnets are artificial magnets that retain their magnetic property even in the absence of an external magnetic field. These magnets are produced from substances like hardened steel and some alloys.
Magnets used in refrigerators, speakers, fridge and magnetic compass are some familiar examples of a permanent magnet.
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