Mention the differences between an electromagnet and a permanent … - Vidyadip

Question

Mention the differences between an electromagnet and a permanent magnet.

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Answer

S.No.	Electromagnet	Permanent magnet
$1.$	It is temporary magnet and can be demagnetized.	It is a permanent magnet and cannot be demagnetized easily.
$2.$	Magnetic strength can be changed.	Its strength is fixed.
$3.$	Its polarity can also be changed.	Its polarity is fixed.
$4.$	It is prepared from soft iron.	It is prepared from hard steel.

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