alternating current

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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 .

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alternating current

A Dictionary of Earth Sciences | 1999 | | Â© A Dictionary of Earth Sciences 1999, originally published by Oxford University Press 1999. (Hide copyright information) Copyright

alternating current The current output, with a sinusoidal wave-form, from an alternator or dynamo.

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AILSA ALLABY and MICHAEL ALLABY. "alternating current." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 26 Dec. 2009 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "alternating current." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (December 26, 2009). http://www.encyclopedia.com/doc/1O13-alternatingcurrent.html

AILSA ALLABY and MICHAEL ALLABY. "alternating current." A Dictionary of Earth Sciences. 1999. Retrieved December 26, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-alternatingcurrent.html

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