Question

Differences between Bar magnet and a Electromagnet

Answer 1

Bar magnet has permanent magnetism and Electromagnet works as a magnet only on passing current

Answer 2

a permanent magnet is made from a "hard" magnetic material that maintains its magnetism over a long period of time. The magnetism an electro magnet is created by a current running through a coil of insulated wire that is wound around a peice of "soft" magnetic material.

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