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+// Example 5.13: (i) R1
+//              (ii) R1 for IC = 10 μA
+clc, clear
+IC=1e-3; // in amperes
+VCC=10; // in volts
+bta=125;
+VBE=0.7; // in volts
+
+disp("Part (i)");
+R1=bta*(VCC-VBE)/((bta+2)*IC); // in ohms
+R1=R1*1e-3; // in kilo-ohms
+disp(R1,"R1 (kΩ) =");
+
+disp("Part (i)");
+IC=10e-6; // in amperes
+R1=bta*(VCC-VBE)/((bta+2)*IC); // in ohms
+R1=R1*1e-3; // in kilo-ohms
+disp(R1,"R1 for (IC = 10 μA) (kΩ) =");
+\ No newline at end of file