Resistance, Ohmic


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Resistance, Ohmic

 

an old term for the resistance presented to a direct current by an electric circuit. The Ohmic resistance is the limiting value of the AC, or effective, resistance as ω → 0, where ω is the frequency of an alternating current. The term “Ohmic resistance” emphasizes the fulfillment of Ohm’s law—that is, the existence of a linear relationship between the current and voltage.

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