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skin effect

noun, Electricity
the phenomenon in which an alternating current tends to concentrate in the outer layer of a conductor, caused by the self-induction of the conductor and resulting in increased resistance.
1895-1900 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for skin effect
  • The representation of the dynamic skin effect is made with numerical reservoir simulation.
  • The skin effect is present all the time, but the warm layer correction is important during midday in light winds.
  • Speed-sensitive losses include core losses, rotational losses, and skin effect in the winding resistance.
  • The skin effect in the conductive substrate leads to an even more complex frequency-dependent behavior.
British Dictionary definitions for skin effect

skin effect

the tendency of alternating current to concentrate in the surface layer of a conductor, esp at high frequencies, thus increasing its effective resistance
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 skin effect

in electricity, the tendency of alternating high-frequency currents to crowd toward the surface of a conducting material. This phenomenon restricts the current to a small part of the total cross-sectional area and so has the effect of increasing the resistance of the conductor. Because of the skin effect, induction heating can be localized at the surface and the heated area controlled by a suitable choice of the inductor coil (see induction heating). The skin effect becomes more pronounced as the frequency is increased.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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