Other Free Encyclopedias » 21st Century Webster's Family Encyclopedia » 21st Century Webster's Family Encyclopedia - Eilat to ERA


magnetic electric

Electromagnet, device that produces a temporary magnetic field when an electric current flows through it. It contains a core, usually of iron, around which a coil of wire is wound. Electromagnets are used to produce strong magnetic fields in generators and motors, electric relays, and bells. They are also used to lift heavy metal loads.

See also: Henry, Joseph; Magnetism.

Electromagnetic force [next] [back] Electrolyte

User Comments

Your email address will be altered so spam harvesting bots can't read it easily.
Hide my email completely instead?

Cancel or