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clc//
//
//
//Variable declaration
P=1.54*10^-8; //resistance(ohm m)
n=5.8*10^28; //number of electrons(per m^3)
m=9.108*10^-31; //mass(kg)
e=1.602*10^-19; //charge(coulomb)
//Calculation
t=m/(n*e^2*P); //relaxation time of conduction electrons(s)
//Result
printf("\n relaxation time of conduction electrons is %0.2f *10^-14 s",t*10^14)
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