// Example  14.1

F=60;             // Frequency
P=6;              // No.Of poles
ns=(120*F)/P;     // Speed Of rotation
disp('Speed Of rotation Is = '+string(ns)+' Rpm');
F1=20;            // Decreased frequency
P1=(120*F1)/ns;   // Number Of poles
disp('Number Of poles = '+string(P1)); 





           //  p 546   Ex14.1