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+//variable declaration
+mewe=0.39; //mobility of electrons(m**2/Vs)
+mewh=0.19; //mobility of holes(m**2/Vs)
+e=1.6*10**-19;
+ni=2.4*10**19; //intrinsic concentration(per m**3)
+
+//Calculation
+rhoi=1/(ni*e*(mewe+mewh)); //resistivity(ohm m)
+
+//Result
+printf('resistivity is %0.3f ohm m \n',(rhoi)) \ No newline at end of file