what is an electromagnet and what are its uses
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An electromagnet is a device that sends electricity through a coil of wire to produce a magnetic field. ... Electromagnets are used in millions of devices around the world, from hard disk drives and MRI machines, to motors and generators.
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A soft metal core made into a magnet by the passage of electric current through a coil surrounding it.
Uses of electromagnet
Motors and generators.
Transformers.
Pickups.
Relays.
Electric bells and buzzers.
Loudspeakers and headphones.
Actuators such as valves.
Magnetic recording and data storage equipment: tape recorders, VCRs, hard disks.
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