electrical coil
41Helmholtz coil — The term Helmholtz coils refers to a device for producing a region of nearly uniform magnetic field. It is named in honor of the German physicist Hermann von Helmholtz. Description A Helmholtz pair consists of two identical circular magneticcoils …
42Insulator (electrical) — Ceramic insulator at railways Conducting copper wire insulate …
43ignition coil — A pulse transformer which is a part of the ignition system. It receives a small amount of electrical voltage from the battery and steps up the low primary voltage and amplifies it into a big jolt of voltage of about 20,000 volts, and sends it to… …
44primary coil — noun coil forming the part of an electrical circuit such that changing current in it induces a current in a neighboring circuit current through the primary coil induces current in the secondary coil • Syn: ↑primary winding, ↑primary • Hypernyms:… …
45spark coil — noun an induction coil used to create sparks • Hypernyms: ↑induction coil • Part Holonyms: ↑ignition, ↑ignition system * * * noun : an induction coil for producing the spark for an internal combustion engine * * * Elect. a coil of many turns of… …
46voice coil — noun : a coil in an electro acoustic instrument (as a microphone or a loudspeaker) that carries the audio frequency currents corresponding to the sound waves * * * Elect. a moving coil that drives the diaphragm of a sound reproduction system, as… …
47resistance coil — noun : a coil of wire introduced into an electrical circuit to provide resistance * * * resistance coil noun A coil of wire used to offer resistance to the passage of electricity • • • Main Entry: ↑resist * * * resistance coil, a coil or wire… …
48field coil — noun the electric coil around a field magnet that produces the magneto motive force to set up the flux in an electric machine • Syn: ↑field winding • Hypernyms: ↑coil * * * noun : a current bearing coil used to excite a field (as of a generator,… …
49Bushing (electrical) — A bushing is an electrical engineering component that insulates a high voltage conductor passing through a metal enclosure. Bushings appear on switchgear, transformers, circuit breakers and other high voltage equipment. Description The bushing is …
50Resistance coil — Resistance Re*sist ance ( ans), n. [F. r[ e]sistance, LL. resistentia, fr. resistens, entis, p. pr. See {Resist}.] 1. The act of resisting; opposition, passive or active. [1913 Webster] When King Demetrius saw that . . . no resistance was made… …
