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//Chapter 6, Example 6.6
clc
//Initialisation
C=3*10**-8 //capacitance in farad
pi=3.14 //pi
f=10**3 //frequency in hertz
V=10 //voltage
R=10**4 //resistance in ohm
i=5 //current in ampere
r=10 //resistance in ohm
L=25*10**-3 //inductance in henry
VL=39.3 //from phasor diagram
VR=50 //from phasor diagram
//Calculation
w=2*pi*f //angular frequency
Xc=1/(w*C) //capacitive reactance in ohm
I=sqrt((V**2)/(R**2+Xc**2)) //current in ampere
phi=atan(Xc/R) //phase angle
//Results
printf("Current, I = %d uA\n",I*10**6)
printf("Phase Angle, phi = %.2f Degree",phi*180/pi) //wrong answer in textbook
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