Electrical problems for engineering students (1902)
Hooper, William Leslie, 1855-1918, Wells, Roy Titus, 1873- joint author · Boston and London, Ginn & Company · leaf 70
vectors OA and OB (Fig. 2) may representthe maximum values of the electro-motive forces in the 2 armaturecircuits, Oa being the instantaneous value of the electro-motive force inone circuit at a certain instant, and Ob the contemporaneous value of theelectro-motive force in the other circuit. The… … Fig. 2 coils, the maximum values of the electro-motive forces being1000, and the periodicity 25. Also draw the wave diagrams ofthe electro-motive forces between the lines. When the wave form A (Fig. 3) of a periodic function is nota simple sine curve the virtual values are less easily obtained,but…
Electricity
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