Here ,
resistivity , p = 3.5 *10^-5 Ohm.m
L = 5.1 cm = 0.051 m
Resitance = p * L/area of cross section
Resistance = 3.5 *10^-5 * 0.051/(pi *(0.750 *10^-3/2)^2)
Resistance = 4.04 Ohm
the resistance of the lead is 4.04 Ohm
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