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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);
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