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clear
//
//Initialisation
V=50 //Voltage
I=5 //Current in Ampere r.m.s
phase=30 //in degrees
//Calculation
S=V*I //apparent power
pf=cos(phase*%pi/180) //power factor
apf=S*pf //active power
//Result
printf("\n (a) Apparent power, S = %d VA",S)
printf("\n (b) Power Factor = %.3f",pf)
printf("\n (c) Active Power, P = %.1f",apf)
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