field magnet

American  

noun

1. a magnet for producing a magnetic field, as in a particle accelerator or an electric motor.

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field magnet British  

noun

1. a permanent magnet or an electromagnet that produces the magnetic field in a generator, electric motor, or similar device

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field magnet Scientific  

1. A permanent magnet used to produce a base magnetic field against which other magnetized materials react, as in the operation of electrical devices such as motors, generators, and solenoids.

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Etymology

Origin of field magnet

First recorded in 1880–85

Example Sentences

See Examples For:

field magnet

For this reason, the field magnet is usually an electromagnet.

From General Science by Clark, Bertha M.

Then the iron is weakly but permanently attracted, showing that synchronism is reached and the field magnet energized by induction.

From The inventions, researches and writings of Nikola Tesla With special reference to his work in polyphase currents and high potential lighting by Martin, Thomas Commerford

In this arrangement the current flowing through the disc and external circuit will have no appreciable effect on the field magnet.

From The inventions, researches and writings of Nikola Tesla With special reference to his work in polyphase currents and high potential lighting by Martin, Thomas Commerford

The coils of the field magnet are in series with those of the armature and external circuit, and consists of a few turns of heavy wire.

From Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications by Hawkins, Nehemiah

In other words, the eddy currents circulating in the disc will energize the field magnet.

From The inventions, researches and writings of Nikola Tesla With special reference to his work in polyphase currents and high potential lighting by Martin, Thomas Commerford