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//To Find the Time Constant and Time taken for Charge Storage
//Example 32.9
clear;
clc;
C=100*10^-6;//Capacitance of the Capacitor in Faraday
R=2;//Internal resistance of battery in Ohms
T0=R*C;//Time constant in seconds
printf("(a) Time constant = %f us",T0*10^6);
E=12;//EMF of the bettery
q=0.99*E*C;//Charge at time (t)
t=-log(1-(q/(E*C)))*T0;//Time taken before 99% of the Maximum Charge is stored on the Capacitor
printf("\n(b) Time taken before 99 percent of the Maximum Charge is stored on the Capacitor = %.2f ms",t*10^3);
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