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 29
d. Fig. 1,244 shows a wave charactcristu of lam ;. tuned for power transmission and having multi-slot or distributed win.!. ALTERNATING CURRENTS 1,017 Wave Form.—There is always more or less irregularity inthe shape of the current waves as met in practice, dependingupon the construction of the… … no. Z Figs. 1,245 and 1,246.—-Resolution of complex curves into sine curves. The heavy curve canbe resolved into t.ie simpler curves A and B sho^vn in No. 1, the component curves A andB have in the ratio of three to one; that is, curve B has three times as many periods persecond as curve A. All the…
Electrical engineering
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