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 129
ount of movement de-pending upon the strength of the current in the coil. The coils for large sizes are generally wound with a few turns of flatinsulated copper ribbon. The instruments are adapted to either director alternating currents but are recommended for alternating currents. Oues. W hat is… … CO\L Fig. 635.—Thompson inclined coil ammeter. It is constructed on the magnetic vane principlein which an iron vane is attracted by the magnetic field due to the coil, so as to turn itselfparallel with the axis of the coil, the latter being inclined with respect to the axis of the vane.The…
Electrical engineering
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