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+
+//To calculate the Approximate value of Dynamic Resistance of P N Junction under Forward Bias
+
+//Example 45.3
+
+clear;
+
+clc;
+
+//(a)Case-I: Forward Bias of 1 V is applied
+/////////////////////////////////////////////////////////////////////////////
+
+i1=10*10^-3;//Current in Amperes at 1 Volt
+
+i2=15*10^-3;//Current in Amperes at 1.2 Volts
+
+delI=i2-i1;//Net Change in Current in Amperes
+
+v1=1;//Voltage at the Initial Point 
+
+v2=1.2;//Voltage at the Final point
+
+delV=v2-v1;//Net Change in Voltage
+
+R=delV/delI;//Dynamic Resitance in ohms
+
+printf("(a) Dynamic Resistance when a forward bias of 1 V is applied at the p-n junction = %.0f ohms",R);
+
+
+//(b)Case-II: Forward Bias of 2 V is applied
+////////////////////////////////////////////////////////////////////////////
+
+v3=2;//Voltage at the Initial Point 
+
+v4=2.1;//Voltage at the Final point
+
+delV1=v4-v3;//Net Change in Voltage
+
+i3=400*10^-3;//Current in Amperes at 2 Volt
+
+i4=800*10^-3;//Current in Amperes at 2.1 Volt
+
+delI1=i4-i3;//Net Change in Current in Amperes
+
+R1=delV1/delI1;//Dynamic Resitance in ohms
+
+printf("\n (b) Dynamic Resistance when a forward bias of 2 V is applied at the p-n junction = %.2f ohms",R1);