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+//CHAPTER 7- SINGLE PHASE TRANSFORMER
+//Example 4
+
+disp("CHAPTER 7");
+disp("EXAMPLE 4");
+
+//VARIABLE INITIALIZATION
+va=10*1000;                   //apparent power
+N1=50;                        //number of turns on primary side
+N2=10;                        //number of turns on secondary side
+v1=440;                       //primary voltage in Volts
+f=50;                         //in Hertz
+
+//SOLUTION 
+
+//solution (a)
+v2=v1*(N2/N1);
+disp(sprintf("(a) The secondary voltage on no load is %d V",v2));
+
+//solution (b)
+I1=va/v1;
+disp(sprintf("(b) The full load primary current is %f A",I1));
+I2=va/v2;
+disp(sprintf("The full load secondary current is %f A",I2));
+
+//solution (c)
+phi_m=v2/(4.44*N1*N2);
+disp(sprintf("(c) The maximum value of the flux is %f mWb",phi_m*1000));
+
+//END