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Physics

State two differences between an electromagnet and a permanent magnet.

Electro-Magnetism

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Answer

Comparison of an electromagnet with a permanent magnet

ElectromagnetPermanent magnet
It is made up of soft iron.It is made up of steel.
It produces the magnetic field as long as current flows in it's coil. i.e., it produces the temporary magnetic field.It produces a permanent magnetic field.

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