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+// Calculate drift velocity in copper
+// Basic Electronics
+// By Debashis De
+// First Edition, 2010
+// Dorling Kindersley Pvt. Ltd. India
+// Example 1-16 in page 47
+
+clear; clc; close;
+
+// Data given
+tou=10^-14; // Relaxation time in s
+m_c=0.02*9.1*10^-31; // Effective mass of electron in Kg
+E_0=0.1; // Electric field across conductor in V/m
+e=1.6*10^-19; // Charge on an electron in C
+
+// Calculation
+V_0=(e*E_0*tou)/m_c;
+
+printf("The drift velocity of electrons in copper is %0.3f m/s",V_0);
+
+// Result
+// Drift velocity of electrons in copper is 0.009 m/s \ No newline at end of file
diff --git a/181/CH1/EX1.16/example1_16.txt b/181/CH1/EX1.16/example1_16.txt
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+The drift velocity of electrons in copper is 0.009 m/s \ No newline at end of file