Hawkins electrical guide. 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; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 121
er by straight lines or by short curvedones, are stretched on account of the field produced by the currentin the coil, and, in trying to shorten themselves, tend to twist the coilthrough an angle. This tendency to move is resisted by the two spiralsprings, hence the coil moves until equilibrium is… … c — u 2 Be ^ cMr:: .« o c >.— C i) ZX —7 o - = =3 c - = o =-S=3 ^ 5 5^ =« ♦^ act ^=JSg-£2SE Soc£■5^-5; i ki d u ct AMMETERS. VOLTMETERS. AND WATTMETERS 541 Ones. How does the winding differ in ammeters andvoltmeters ? Ans. An ammeter coil consists of a few turns of heavy wire(when designed to…
Electrical engineering
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