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clear
//
//
//
//Variable declaration
D=2.7*10**3 //density(kg/m**3)
rho=2.7*10**-8 //resistivity(ohm m)
w=26.98 //atomic weight
Na=6.025*10**26 //avagadro number
e=1.6*10**-19 //charge(c)
L=5 //length(m)
R=0.06 //resistance(ohm)
I=15 //current(A)
n=3 //number of electrons
//Calculation
N=n*D*Na/w //number of conduction electrons(/m**3)
mew=1/(rho*N*e) //mobility(m**2/Vs)
vd=I*R/(L*rho*N*e) //drift velocity(m/s)
//Result
printf("\n number of conduction electrons is %0.4f *10**29 /m**3",N/10**29)
printf("\n mobility is %0.5f m**2/Vs",mew)
printf("\n drift velocity is %0.1f *10**-4 m/s",vd*10**4)
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