PHYSICS resistance and resistivity
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Last updated 10:11 AM on 10/20/24
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4 Terms
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ohms law
current through a metallic conductor is directly proportional to the potential difference across it, provided the temperature remains constant.
2
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non ohmic behaviour
I is not directly proportional to V
3
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resistivity
numerically equal to the resistance of a sample of the material 1 m long and of cross-sectional area 1 m 2
4
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superconductor
loses all its electrical resistivity to become a perfect conductor when it is below its critical temperature.
Note 
Flashcards (23)