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

The field magnet consists of a ring of wrought iron with 384 pole projections.

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

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

From General Science by Clark, Bertha M.

Ventilation.—Sometimes provision is made for ventilation of the field magnet coils as shown in fig.

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 the circuit of the field magnet is placed a variable resistance.

From Scientific American Supplement, No. 623, December 10, 1887 by Various