Resistance of a metal wire of length one metre is 25 ohms and if the radius of wire is 0.15mm
then calculate the resistivity of the material
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R=rho(l/A) where A=pi*r² 25=rho(1/pi*0.00015²) 25=rho(44444444/pi) Rho=0.000001767 ohm-m
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