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clear
//
//
//
//Variable declaration
e=1.6*10^-19; //charge of electron
z=0.3*10^-3; //thickness(m)
VH=1*10^-3; //hall voltage(V)
Ix=10*10^-3; //current(A)
Bz=0.3; //magnetic field(T)
//Calculation
n=Ix*Bz/(VH*z*e); //charge carrier concentration(m^-3)
//Result
printf("\n charge carrier concentration is %e m^-3",n)
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