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//Variable declaration
mewe=0.13; //mobility of electrons(m**2/Vs)
mewh=0.05; //mobility of holes(m**2/Vs)
e=1.6*10**-19;
ni=1.5*10**16; //intrinsic concentration(per m**3)
//Calculation
sigma=ni*e*(mewe+mewh); //conductivity(per ohm m)
//Result
printf('conductivity is %0.3f *10**-4 per ohm m \n',sigma*10**4)
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