How does the RESISTIVITY of wire vary with its area of cross section
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Heya,
Resistivity of a wire depends on the nature of the material and temperature.
It has nothing to do with area of cross-section and length of the conductor as they don't effect the resistivity of a substance.
Therefore resistivity don't vary with area of cross-section.
Hope it helps u..........
Resistivity of a wire depends on the nature of the material and temperature.
It has nothing to do with area of cross-section and length of the conductor as they don't effect the resistivity of a substance.
Therefore resistivity don't vary with area of cross-section.
Hope it helps u..........
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