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IEVref:705-03-09ID:
Language:enStatus: Standard
Term: conducting medium
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Definition: the medium in which a variable electric field produces an electric current density vector J MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdi9qqqj=hEeeu0lXdbba9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9q8qiLsFr0=vr0=vr0db8meWabaGacmaadaWaaiWabaabaiaafaaakeaadaWhcaqaaiaadseaaiaawEniaaaa@3C07@ whose magnitude in a given direction is large relative to that of the vector D t MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdi9qqqj=hEeeu0lXdbba9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9q8qiLsFr0=vr0=vr0db8meWabaGacmGadiWaaiWabiabciaafiaakeaadaWcaaqaaiabgkGi2oaaFiaabaGaamiraaGaay51GaaabaGaeyOaIyRaamiDaaaaaaa@3FE6@ in a particular frequency band

NOTE 1 – For a sinusoidal wave in an isotropic medium, the medium is conductive if the following relation is satisfied:

σ ε 0 ω ε r MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdi9qqqj=hEeeu0lXdbba9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9q8qiLsFr0=vr0=vr0db8meqabaGacmGadiWaaiWabiabciaafiaakeaadaWcaaqaaiabeo8aZbqaaiabew7aLnaaBaaaleaacaqGVbaabeaakiabeM8a3baacqWIRjYpcuaH1oqzgaqbamaaBaaaleaacaGGYbaabeaaaaa@4433@

where ε r MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiabew7aLnaaDaaale aacaqGYbaabaGaaiOkaaaaaaa@38C7@ is the relative real permittivity, ε0 is the electric constant, σ is the conductivity, ω is the angular frequency.

NOTE 2 – An anisotropic medium may be conducting only in certain directions.


Publication date:1995-09
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Internal notes:2017-06-02: Cleanup - Remove Attached Image 705-03-093.gif

2017-06-02: Cleanup - Remove Attached Image 521-09-023.gif

2017-06-02: Cleanup - Remove Attached Image 705-03-072.gif
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