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), 1833-1928 · New York : T. Audel & Co. · leaf 63
uch a conductor, withcurrent flowing toward the observer as in fig. 294, be placedin a uniform magnetic field, a distortion of the magnetic lineswill occur as shown in fig. 295. The resulting mechanical THEORY OF THE ARMATURE 275 actions are easily determined by remembering that the magneticlines… … Fig. 295.—Illustrating drag on armature inductors. In moving a wire carrying a currentthrough a magnetic field, the lines of force are distorted, and the effect on the wire is thesame as though the magnetic lines were elastic cords tending to shorten themselves. They,therefore, oppose the motion of…
Electrical engineering
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