resistance of a metal wire of length 1m is 26 ohm at 20 degrees C. if the diameter of the wire is 0.3mm. what will be the resistivity of the metal wire at that temperature
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If the diameter of the wire is 0.3mm, resistivity of the metal is =1. 83×10−xSiemen/meter that temperature.
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Resistivity =RA/L
A is the area of cross section
Resistivity at 20C=resistivity at 0C[(1-@(t-0)]
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