Question

what is electromagnet.....

Answer 1

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【Electromagnet】

☞It is a temporary magnet produced by current flowing through a solenoid with soft iron core.

☞The magnetic field remains only when the current is flowing, in absence of current it has no magnetic effect.

☞The magnet becomes a plain iron piece when current flow stops.

☞Electromagnets are widely used as components of other electrical devices, such asmotors, generators, relays, loudspeakers, hard disks,MRI machines, scientific instruments, andmagnetic.

☞Simple electromagnet consisting of a coil of insulated wire wrapped around an iron core.

Answer 2

Answer:

Electromagnet is a soft metal core made into a magnet by the passage of electric current through a coil surrounding it.