What is field?

field relay

Glossary “field relay” Definition:
Relay that connects the alternator to the battery when alternator voltage is greater than battery voltage and disconnects it when battery voltage is greater than alternator voltage.

field coil

Glossary “field coil” Definition:
The coil, or winding, around the field magnets or pole pieces of a motor or generator. Also known as field winding.

field

Glossary “field” Definition:
1). Generally, any area being affected by some physical force. 2). Electrical force in the space around electrically charged particles. 3). Lines of force in a natural or man-made magnet between its north and south poles.

field density

Glossary “field density” Definition:
The density of the magnetic field, measured in the number of lines of force per unit area, dependent upon the strength of the field element, the number of turns of wire, and the size and characteristics of the pole piece.