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clc//
//
//
//Variable declaration
ni=2.4*10^19; //carrier density(per m^3)
mew_e=0.39; //electron mobility(m^2/Vs)
mew_h=0.19; //hole mobility(m^2/Vs)
e=1.6*10^-19;
//Calculation
sigma_i=ni*e*(mew_e+mew_h);
rhoi=1/sigma_i; //resistivity(ohm m)
//Result
printf("\n resistivity is %0.3f ohm m",rhoi)
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