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alternating current

alternating current, abbr. AC, a flow of electric charge that undergoes periodic reverses in direction. In North America ordinary household current alternates at a frequency of 60 times per second. See electricity; generator.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2007, Columbia University Press. All rights reserved.

More on alternating current from Infoplease:

alternating current: meaning and definitions - alternating current: Definition and Pronunciation
AC, abbreviation for alternating current - AC: AC: see alternating current.
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See more Encyclopedia articles on: Electrical Engineering

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