REACTANCE AND IMPEDANCE - INDUCTIVE

Chapter 3 REACTANCE AND IMPEDANCE { INDUCTIVE

Lessons In Electric Circuits Volume II – AC Book
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Lessons In Electric Circuits Volume II – AC Book

  • Chapter 3REACTANCE ANDIMPEDANCE – INDUCTIVEContents 64,3.1 64,AC 64,resistor 64,circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55 66,3.2 66,AC 66,inductor 66,circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57 70,3.3 70,Series 70,resistor-inductor 70,circuits. . . . . . . . . . . . . . . . . . . . . .61 77,3.4 77,Parallel 77,resistor-inductor 77,circuits. . . . . . . . . . . . . . . . . . . . .68 80,3.5 80,Inductor 80,quirks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71 83,3.6 83,More 83,on 83,the 83,“skin 83,effect” . . . . . . . . . . . . . . . . . . . . . . . . . .74 85,3.7 85,Contributors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .763.1AC resistor circuitsRETETIIRERET = ERI = IR0°IRFigure 3.1: Pure resistive AC circuit: resistor voltage and current are in phase.If we were to plot the current and voltage for a very simple AC circuit consisting of a source anda resistor (Figure 64,3.1), it would look something like this: (Figure 65,3.2)Because the resistor simply and directly resists the flow of electrons at all periods of time, thewaveform for the voltage drop across the resistor is exactly in phase with the waveform for the55