Give 2 points of difference between an electromagnet and a parmanent m

1.	Give 2 points of difference between an electromagnet and a parmanent magnet
Answer» ELECTRO MAGNET--> 1. It is a type of temporary magnet.2. It shows its magnetic properties only when current is supplied to it.3. It\'s strength can be changed by increasing no. of turns , by taking pure iron ore or by supplying large amount of current. PERMANENT MAGNET--> 1. It can be of various types like bar magnet, horse shoe magnet.2. It shows it\'s magnetic property all time or for long time.3. It\'s strength can\'t be increased. The strength of electromagnet can changed while it is not in permanent magnet. The strength of electromagnet is strong as compared to permanent

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