electromagnet

noun

1. a device consisting of an iron or steel core that is magnetized by electric current in a coil that surrounds it.

noun

1. a magnet consisting of an iron or steel core wound with a coil of wire, through which a current is passed

n.

1831; see electro- + magnet.

1. A device consisting of a coil of insulated wire wrapped around an iron core that becomes magnetized when an electric current flows through the wire. Electromagnets are used to convert electrical control signals into mechanical movements. See Note at magnetism.

A magnet created by passing an electric current (see also current) through coils of wire. Such magnets are widely used in common electrical systems.

A magnet created by passing an electric current (see also current) through coils of wire. Electromagnets are widely used in common electrical systems.