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+//CHAPTER 10- THREE-PHASE INDUCTION MACHINES
+//Example 11
+
+disp("CHAPTER 10");
+disp("EXAMPLE 11");
+
+//VARIABLE INITIALIZATION
+P1=4;                         //number of poles
+s=5/100;                      //slip
+f=60;                         //frequency of synchronous generator in Hertz
+
+//SOLUTION
+
+//solution (a)
+N_s=(120*f)/P1;               //synchronous speed of generator in rpm with four poles               
+N_r=N_s*(1-s);                //rotor or motor speed in rpm
+N_r=round(N_r);               //to round off the value
+disp(sprintf("(a) The speed of the motor is %d rpm",N_r));
+
+//solution (b)
+P2=6;                         // number of poles
+N_s=(120*f)/P2;               //synchronous speed of generator in rpm with six poles
+disp(sprintf("(b) The speed of the generator is %d rpm",N_s));
+
+//END