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diff --git a/3835/CH4/EX4.8/Ex4_8.sce b/3835/CH4/EX4.8/Ex4_8.sce
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+clear
+//
+//from phasor diagram vac=vab+vbc
+hcab=60
+vcab=60
+hcbc=45
+vcbc=77.94 //vbc=60*sin(60)
+p=(vcab+hcbc)**2
+q=vcbc**2
+vac=((p+q)**0.5)
+printf("\n vac= %0.1f v",vac)
+//the angle is given by ang=taninverse(vcbc/(vcab+hcbc))=36.59
+printf("\n phase position with respect to vbc=60-36.59=23.41")