Answers

2015-05-08T17:06:50+05:30
Length of wire=1m
diameter of wire=0.2mm=0.0002m
Resistance of wire=10Ω
resistivity of wire= Resistancex area
                             length
area of wire=πr²=3.14×0.00000004=0.0000001256
resistivity=10x0.0000001256=0.000001256Ωm
0