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//To determine the resistance of a 1-km strip of copper of rectangular cross section 2.5 cm by 0.05 cm.
clc;
rho=1.724*10^-8 //Restivity of the given material(ohm-metre)
l=1 //Length of strip(km)
A=(2.5*0.05*10^-4)/10^3 //Cross sectional area of copper strip(m^2)
R=(rho*l)/A
disp(R,'Resistance of the given copper strip(ohm)')
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