Refrigeration and Air Conditioning Technology (MindTap Course List)
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN: 9781305578296
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
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Chapter 18, Problem 6RQ

In the United States, the frequency in cycles per second (cps) at which an AC electric motor operates under normal conditions is
A. 50.
B. 60.
C. 120.
D. 208.

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