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eddy current

noun
1.
an electric current in a conducting material that results from induction by a moving or varying magnetic field.
Origin
1590-1600
1590-1600, for an earlier sense
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for eddy cur rent

eddy current

noun
1.
an electric current induced in a massive conductor, such as the core of an electromagnet, transformer, etc, by an alternating magnetic field Also called Foucault current
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Encyclopedia Article for eddy cur rent

eddy current

in electricity, motion of electric charge induced entirely within a conducting material by a varying electric or magnetic field or by electromagnetic waves. Eddy currents induced in a power transformer core represent lost power and are undesirable; eddy currents used to produce heat for cooking or for a metallurgical furnace represent useful applications of the phenomenon.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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