AC CIRCUITS

Chapter 4 AC CIRCUITS

Lessons In Electric Circuits Volume VI – Experiments Book
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Lessons In Electric Circuits Volume VI – Experiments Book

  • Chapter 4AC CIRCUITSContents 153,4.1 153,Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145 155,4.2 155,Transformer 155,– 155,power 155,supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147 159,4.3 159,Build 159,a 159,transformer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151 161,4.4 161,Variable 161,inductor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153 163,4.5 163,Sensitive 163,audio 163,detector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155 168,4.6 168,Sensing 168,AC 168,magnetic 168,fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160 170,4.7 170,Sensing 170,AC 170,electric 170,fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162 172,4.8 172,Automotive 172,alternator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164 178,4.9 178,Induction 178,motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170 182,4.10 182,Induction 182,motor, 182,large. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174 185,4.11 185,Phase 185,shift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177 188,4.12 188,Sound 188,cancellation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180 191,4.13 191,Musical 191,keyboard 191,as 191,a 191,signal 191,generator . . . . . . . . . . . . . . . . . . . . . 183 194,4.14 194,PC 194,Oscilloscope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186 197,4.15 197,Waveform 197,analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189 199,4.16 199,Inductor-capacitor 199,”tank” 199,circuit . . . . . . . . . . . . . . . . . . . . . . . . . 191 202,4.17 202,Signal 202,coupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1944.1Introduction”AC” stands for Alternating Current, which can refer to either voltage or current that alter-nates in polarity or direction, respectively. These experiments are designed to introduce you toseveral important concepts specific to AC.A convenient source of AC voltage is household wall-socket power, which presents signifi-cant shock hazard. In order to minimize this hazard while taking advantage of the convenience145