- a device consisting of an iron or steel core that is magnetized by electric current in a coil that surrounds it.
Origin of electromagnet
Examples from the Web for electromagnet
Historical Examples of electromagnet
What would be the result if a hard steel core were placed in the electromagnet?Physics
Willis Eugene Tower
E is the electromagnet of the relay, and R A is its armature.Things a Boy Should Know About Electricity
Thomas M. (Thomas Matthew) St. John
The socket also contains a switch controlled by an electromagnet.
This would be the same whether the magnet were a permanent or an electromagnet.ABC of Electricity
William Henry Meadowcroft
Impulses sent through the electromagnet will then drive the clock.
- a magnet consisting of an iron or steel core wound with a coil of wire, through which a current is passed
- 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.