electromagnet

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electromagnet

 [e-lek″tro-mag´net]
a temporary magnet made by passing an electric current through a coil of wire surrounding a core of soft iron or steel.

e·lec·tro·mag·net

(ē-lek'trō-mag'net),
A bar of soft iron rendered magnetic by an electric current encircling it.

electromagnet

/elec·tro·mag·net/ (e-lek″tro-mag´net) a temporary magnet made by passing electric current through a coil of wire surrounding a core of soft iron.

electromagnet

A type of magnet used in MRI using coils of wire, typically wound around an iron core, that become magnetised with current flow.

electromagnet

a piece of metal rendered temporarily magnetic by passage of electricity through a coil surrounding it.
References in periodicals archive ?
An advantage of electro-magnets is that you can shut them off," he comments.
The system is based on the transrapid magnetic levitation (maglev) system which floats carriages over a single path, propelled by electro-magnets.
With increased [magnetic] power that will outperform electro-magnets, reclamation of materials is more efficient, resulting in better returns from recycling," he adds.
The proposal was for a system of giant electro-magnets to be installed under the road which would bring any car which tried to drive over a pedestrian crossing while people were on it grinding instantly to a halt.
But it could also produce rope and fishing-rod reels, electro-magnets and brass bathroom taps.
0 also will add magnetorquer coils -- electro-magnets that interact with Earth's magnetic field -- as well as reaction wheels to actively control the satellite's orientation in space.
This involved installing electro-magnets into the puppets' heads improving the puppet lip movement.
She said: "We decided not to use electro-magnets as we would be at the mercy of the electricity supply.

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