Chapter 15 Alternating Current
Chapter 15 Alternating Current
Chapter 15 Alternating Current
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<strong>Alternating</strong> <strong>Current</strong><br />
A sinusoidal ac waveform starts at zero<br />
Increases to a positive maximum<br />
Decreases to zero<br />
Changes polarity<br />
Increases to a negative maximum<br />
Returns to zero<br />
Variation is called a cycle<br />
3<br />
Generating AC Voltages<br />
4<br />
2
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