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+
+//To Calculate the Drift Speed
+
+//Example 32.2
+
+clear;
+
+clc;
+
+i=1;//Current exist in a copper wire in Amperes
+
+e=1.6*10^-19;//Charge of an electron
+
+n=8.5*10^28;//Number of free electrons
+
+A=2*10^-6;//Cross Section Area of copper wire
+
+Vd=i/(A*n*e);//Formula for finding the drift speed of the electron
+
+printf("Drift speed of electrons= %f mm/s",Vd*10^3);