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

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Example Sentences

See Examples For:

field magnet

The rotating coil is usually spoken of as the armature, and the large magnet as the field magnet.

From General Science by Bertha M. Clark

Until current passes through the field magnet coils, no magnetic field can be created.

From How it Works Dealing in simple language with steam, electricity, light, heat, sound, hydraulics, optics, etc., and with their applications to apparatus in common use by Archibald Williams

The field magnet was made relatively small so as to adapt the machine for a constant current.

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

A characteristic feature is that in the dynamo the field magnet is the stationary part and the armature the rotating part, while in the alternator the reverse conditions usually obtain.

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 Nehemiah Hawkins

What is the object of the field magnet?

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 Nehemiah Hawkins

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