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+
+//determine the speed
+P=6;//poles
+A=2;//wave wound
+Z=780;//armature conductors
+F=12*10^-3;//webers..flux/poles
+E=400;//volt
+N=(E*60*2)/(F*Z*P);
+N2=(E*60*6)/(F*Z*P);
+disp('determine the speed='+string(N)+'rpm', 'determine the speed (A=P=6)='+string(N2)+'rpm');