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//Example number 9.12, Page number 208
clc;clear;
close;
//Variable declaration
n=5*10**17; //concentration(m**3)
vd=350; //drift velocity(m/s)
E=1000; //electric field(V/m)
e=1.6*10**-19; //charge(c)
//Calculation
sigma=n*e*vd/E; //conductivity(per ohm m)
//Result
printf("conductivity is %.3f per ohm-m",sigma)
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