imageIntroduction to Alternating Current

This chapter is an introductory chapter. Alternating current (ac) is defined and compared to direct current (dc), and the operation of an ac generator is discussed. Time, frequency, and cyclic characteristics of the ac waveform are analyzed with examples provided for each concept.

At the end of this chapter you should be able to:

1. Define an ac waveform and identify dc and ac waveforms from diagrams provided.

2. Describe how an ac generator produces an ac waveform.

3. Identify a cycle and the period of an ac waveform.

4. Given the time of one cycle, calculate the frequency of the waveform.


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