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+//Book Name: Fundamentals of electrical drives by Mohamad A. El- Sharkawi
+//chapter 2
+//example 2.1
+//edition 1
+//publisher and place:Nelson Engineering
+clc;
+clear;
+Ic=10;//collector current in ampere
+beta1=200; // current gain in the linear region
+beta2=10; //current gain in the saturation region
+Ib1=(Ic/beta1); //base current in the linear region in ampere
+Ib2=(Ic/beta2); //base current in the saturation region in ampere
+disp(Ib1,'The base current in the linear region in ampere is')
+disp(Ib2,'The base current in the saturation region in ampere is')