Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 230
y the parallelogram law and is E3 which repre-sents the resultant voltage both in magnitude and in phaserelation. CHAPTER XXIX INDUCTIVE CIRCUITS 237. Inductance.—It has been shown that whenever there is achange in the current flowing through a circuit, an e.m.f. of selfinduction is induced which…
Electrical engineering
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