ELECTRICITY FOR TRADES (LOOSELEAF)
ELECTRICITY FOR TRADES (LOOSELEAF)
3rd Edition
ISBN: 9781260437454
Author: Petruzella
Publisher: MCG
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Chapter 3.2, Problem 5RQ
To determine

Explain the reason why polarity is normally identified on DC but not AC voltage sources.

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A dc-source has positive and negative polarities. Is it correct to say that an ac-voltage source has no polarity? Why or why not?
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