resistance of a metal wire of length 1m is 26ohm at 20degree C. if the diameter of the wire is 4m. what will be the resistivity of the metal at that temperature
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Explanation:
resistivity=rho
R=Resistivity*length/area
area =pi*[4/2]^2 given diameter=4m
R=26 ohm
26=RESISTIVITY*1/pi*4
RESISTIVITY=26*pi*4=326.56
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