IEVref: 131-12-04 ID: Language: en Status: Standard Term: resistance Synonym1: Synonym2: Synonym3: Symbol: R Definition: for a resistive two-terminal element or two-terminal circuit with terminals A and B, quotient of the voltage (131-11-56) uAB between the terminals by the electric current i in the element or circuit $R=\frac{{u}_{\mathrm{AB}}}{i}$ where the electric current is taken positive if its direction is from A to B and negative if its direction is from B to ANote 1 to entry: A resistance cannot be negative. Note 2 to entry: The term "resistance" is also a short term for “resistance to alternating current” (131-12-45). Note 3 to entry: In French, the term "résistance" also denotes a device, in English "resistor" (see 151-13-19). Note 4 to entry: The coherent SI unit of resistance is ohm, Ω. Publication date: 2013-08 Source: Replaces: Internal notes: 2017-06-05: Prefix "IEV " added to the de, ja and zh homograph cross-references. JGO CO remarks: TC/SC remarks: VT remarks: Domain1: Domain2: Domain3: Domain4: Domain5: