An electromagnet is a magnet that consists of a piece of iron or steel surrounded by a coil. The metal becomes magnetic when an electric current is passed through the coil.
electromagnet in British English
(ɪˌlɛktrəʊˈmæɡnɪt)
noun
a magnet consisting of an iron or steel core wound with a coil of wire, through which a current is passed
a soft iron or steel core surrounded by a coil of wire, that temporarily becomes a magnetwhen an electric current flows through the wire
electromagnet in Electrical Engineering
(ɪlɛktroʊmægnɪt)
Word forms: (regular plural) electromagnets
noun
(Electrical engineering: Electrical power)
An electromagnet is a temporary magnet formed by winding a coil of wire round a piece of soft iron, and passing an electric current through it.
The electricity magnetizes the electromagnet, and when the current jumps to unsafe levels, the electromagnet is strong enoughto pull down a metal lever connected to the switch linkage.
The electromagnet provides the driving force to close the contacts, which are the current carryingpart of the contactor.
An electromagnet is a temporary magnet formed by winding a coil of wire round a piece of soft iron,and passing an electric current through it.
electromagnetic
Examples of 'electromagnet' in a sentence
electromagnet
On the outside of the chamber, an electromagnet, deprived of the current that kept its jaw clamped together, relaxed.
Terman, Douglas CORMORANT (1993)
`It activates an electromagnet that closes a bigger switch, and that one lets the electricity go to the starter motor.