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 15
elyagrees with that given bymost alternators. The equation of the sinecurve is y = sin 4> in which y is any ordinate,and <t>, the angle of thecorresponding position ofthe coil in which the cur-rent is being generalillustrated in fig. 1,220. ALTERNATING CURRENTS 1,003 Ques. What is an… … Fig. 1,221.—Diagram showing one alternation of the current in which the latter varies from zeroto maximum and back to zero while the generating loop ABCD makes one half revolution. Ques. What is the amplitude of the current? Ans. The greatest value of the current strength attainedduring the cycle.…
Electrical engineering
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