From Wikipedia, the free encyclopedia
電導率(electrical conductivity)或比電導(specific conductance),傳電流強弱之測值也,電阻率倒數也。國際單位制西門子每公尺(S·m-1)曰:。
施電壓導體端,其電荷載子流之即成電流。電導率乃歐姆定律定之電流密度及電場強之 。
物異向性(anisotropic)之率需矩陣闡之,即第二階張量,常對稱矩陣也。
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