Electrical problems for engineering students (1902)
Hooper, William Leslie, 1855-1918, Wells, Roy Titus, 1873- joint author · Boston and London, Ginn & Company · leaf 75
it ? 7. If the 2 electro-motive forces of Problem 5 have aresultant of 60 volts, by what angle do they differ in phase ?By what angle does the 40 volt component lead the resultant? 66 ELECTRICAL PROBLEMS 8. Two equal period electro-motive forces of 100 and 25volts, respectively, are in quadrature.… … Fig. 6 10. Four equal period electro-motive forces of 30, 40, 50, and60 volts, respectively, are in series ; they successively differ inphase by 30°. Find the resultant in magnitude and phase. Suggestion. — The 4 above electro-motive forces may be combined inpairs by the vector diagram, and the 2…
Electricity
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