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clc();
clear;
// To calculate the mobility and average time of collision of electrons
d=8.92*10^3; //density in kg/m^3
rho=1.73*10^-8; //resistivity in ohm-m
m=9.1*10^-31; //mass in kg
M=63.5; //atomic weight
e=1.6*10^-19; //charge in coulomb
A=6.02*10^26; //avagadro number
n=(d*A)/M;
mew=1/(rho*n*e);
tow=m/(n*(e^2)*rho);
printf("mobility of electrons in Copper is %f m/Vs",mew);
printf("average time of collision of electrons in copper in sec is");
disp(tow);
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