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+//Chapter 11 : Free Electron Theory Of Metals
+
+clear;
+
+//Variable declaration
+rho=1.54*10**-8         //resistivity
+n=5.8*10**28            //electron density
+e=1.602*10**-19         //charge on electron
+m=9.1*10**-31           //Mass of electron
+
+//Calculations
+tau=m/(n*(e**2)*rho)/10**-14
+
+//Result
+mprintf("Relaxation time= %1.2f*10**-14 seconds",tau)