Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 250
is then said to be inresonance. Art. 257] CAPACITY CIRCUITS 225 The inductive reactance Xt is directly proportional to the fre-quency and is equal to 2irfL whereas the capacity reactance Xc isinversely proportional to the frequency and is equal to l/2irfC.If then in Fig. 248, the voltage E across… … Frequency Fig. 248.—Voltage and current in a circuit with resistance R, inductivereactance Xe and capacity reactance Xc in series. the circuit is said to be in resonance and the current has itsmaximum value. The same problem is found in mechanics. An alternatingforce applied to a spring will cause…
Electrical engineering
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