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+// Ex 10 Page 350
+
+clc;clear;close;
+// Given
+
+V=400;//V
+f=50;//Hz
+n=3;//no of phase
+R=100;//ohm
+
+//Star connection
+Vph=V/sqrt(n);//V
+Iph=Vph/R;//A
+IL=Iph;//A
+cos_fi=1;// for only resitor load
+P=sqrt(3)*V*IL*cos_fi/1000;//kW
+printf("Star Connection : P=%.1f kW",P)
+//Delta Connection
+
+Vph=V;//V
+Iph=Vph/R;//A
+IL=sqrt(3)*Iph;//A
+VL=Vph;//V
+P=sqrt(3)*VL*IL*cos_fi/1000;//kW
+printf("\n Delta Connection : P=%.1f kW",P)