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//To Find the Peak Value of Current and the Instantaneous Voltage of the source when the current is at its peak value
//Example 39.3
clear;
clc;
f=50;//Frequency of AC source in Hz
L=200*10^-3;//Self Inductance of Inductor in Henry
Xl=2*%pi*f*L;//Reactance of the Inductor in ohms
E0=210;//Peak EMF Value of AC source in Volts
i0=E0/Xl;//Peak Value of Current in Amperes
printf("Peak Value of current = %.1f A",i0);
i=i0;//Instantaneous Value of Current when current attains its peak value
phi=-%pi/2;//Phase Difference in Radians for a purely Inductive Circuit
t=(asin(i/i0)-phi)/(2*%pi*f);//Time at which current attains its peak value
E=E0*sin(2*%pi*f*t);//Instantaneous Voltage for a purely inductive circuit
printf("\n Instantaneous voltage at peak value of Current = %.0f V",E);
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