IEVref:131-12-04ID:
Language:enStatus: Standard
Term: resistance
Synonym1:
Synonym2:
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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= u AB i MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdi9qqqj=hEeeu0lXdbb a9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9 q8qiLsFr0=vr0=vr0db8meGabaGacmGadiWaaiWabaabaiaafaaake aacaWGsbGaeyypa0ZaaSaaaeaacaWG1bWaaSbaaSqaaiGacgeacaGG cbaabeaaaOqaaiaadMgaaaaaaa@3F27@

where the electric current is taken positive if its direction is from A to B and negative if its direction is from B to A

Note 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
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Internal notes:2017-06-05: Prefix "IEV " added to the de, ja and zh homograph cross-references. JGO
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