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clear
//
//
//
//Variable declaration
e=1.6*10**-19
RH=3.66*10**-4 //hall coefficient(m**3/coulomb)
sigma=112 //conductivity(ohm-1 m-1)
//Calculation
ne=3*%pi/(8*RH*e) //charge carrier density(per m**3)
mew_e=sigma/(e*ne) //electron mobility(m**2/Vs)
//Result
printf("\n charge carrier density is %0.0f *10**22 per m**3",ne/10**22)
printf("\n electron mobility is %0.3f m**2/Vs",mew_e)
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