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+// Find voltage gain of amplifier
+// Basic Electronics
+// By Debashis De
+// First Edition, 2010
+// Dorling Kindersley Pvt. Ltd. India
+// Example 7-24 in page 329
+
+clear; clc; close;
+
+// Given data
+Rl=250; // Load resistance in k-ohms
+gm=0.5; // Transconductance in mA/V
+rd=200; // Dynamic resistance in k-ohms
+
+// Calculation
+mu=rd*gm;
+Av=(-mu*Rl)/(rd+Rl);
+printf("Voltage gain Av = %0.2f",Av);
+
+// Result
+// Voltage gain Av = -55.55
+\ No newline at end of file