a soft iron or steel core surrounded by a coil of wire, that temporarily becomes a magnet when an electric current flows through the wire
A magnet consisting essentially of a coil of insulated wire wrapped around a steel or iron core that is magnetized only when current flows through the wire.
- A magnet which attracts metals only when electrically activated
electro- + magnet
electromagnet - Computer Definition
A magnet that is energized by electricity. A coil of wire is wrapped around an iron core. When current flows in the wire, the core generates an energy called "magnetic flux."