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diff --git a/3760/CH9/EX9.7/ExB_7.sce b/3760/CH9/EX9.7/ExB_7.sce
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+clc;
+w1=2000; // reading of wattmeter 1 under no load
+w2=-400; // reading of wattmeter 2 under no load, since the connections are reversed that is why negative sign
+theta=atand((sqrt(3)*(w1-w2))/(w1+w2));
+pl=w1+w2;
+pf=cosd(theta);
+printf('No load losses are %f W\n',pl);
+printf('No load power factor is %f lagging',pf);