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+// calculate dc collector current,dc collector-emitter voltage,ac resistance seen by collector
+// Electronic Principles
+// By Albert Malvino , David Bates
+// Seventh Edition
+// The McGraw-Hill Companies
+// Example 12-6, page 391
+
+clear;clc; close;
+// Given data
+R1=50;// in ohms
+R2=100;// in ohms
+Re=16;// in ohms
+Vcc=12;// in volts
+Rl=16;// in ohms
+
+// Calculations
+Vb=R2*Vcc/(R2+R1);// in volts
+Ve=Vb-0.7;
+Ie=Ve/Re;// in amperes
+Icq=Ie;// dc collector current in amperes
+Vceq=Vcc-Ve;// dc collector-emitter voltage in volts
+re=Re/2;// in ohms,re=Re||Rl
+disp("Amperes",Icq,"dc collector current=")
+disp("Volts",Vceq,"dc collector-emitter voltage=")
+disp("ohms",re,"ac resistance =")
+
+// Results
+// Icq=456 mAmperes,Vceq=4.7 ohms,re=8 ohms