Maharashtra BoardEnglish MediumSTD 6ScienceFun with Magnets2 Marks
Question
What are permanent magnets?
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Answer
Magnets which do not lose their magnetism easily are called permanent magnets or Magnets which are made up of magnetic substances are permanent magnets.
e.g. Magnets fixed in a pin holder, magnets of a door of a cupboard are permanent magnets.
Permanent magnets are made from a mixture of
Nickel, cobalt, iron
Aluminium, nickel, cobalt – alnico
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