International Library of Technology · Scranton, International Textbook Co. · leaf 223
had no inductance, the line ca would becomezero, and the E. M. F. would swing into phase with thecurrent. 3889. Instead of using a complete parallelogram, asin Fig. 1464, triangles are commonly used to show the rela-tions between the different E. M. F.s. The right-angledtriangle, Fig. 1465, shows… … CIt E.M.F. to overcome Resistanc Fig. 1465. line ac is transferred from ob, and consequently representsan E. M. F. 90° ahead of oa. Since the angle oac is a. rightangle, it follows that or = C i/R-{-4:7tnL% E = C^R-i- {2 7r7iL)\ (621.)(622.) (623.) That is, t/ie impressed E. M. F. E necessary to…
Electrical engineering
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