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+
+// ELECTRICAL MACHINES
+// R.K.Srivastava
+// First Impression 2011
+// CENGAGE LEARNING INDIA PVT. LTD
+
+// CHAPTER : 4 : DIRECT CURRENT MACHINES 
+
+// EXAMPLE : 4.2
+
+clear ; clc ; close ; // Clear the work space and console
+
+
+// GIVEN DATA
+
+p = 8;                          // Number of the poles in Dc machine
+a = 8;                          // Number of the Parallel path
+N = 500;                        // Rotation per minute in RPM
+phi = 0.095;                    // Average flux in air gap in Weber per meter
+Za = 1000;                      // Total number of the Conductor in Armature
+
+
+// CALCUALTIONS
+
+n = N/60;                       // Rotation (Revolution) per Second
+E = (p/a)*n*phi*Za;             // EMF induced in Volts
+
+
+// DISPLAY RESULTS
+
+disp("EXAMPLE : 4.2 : SOLUTION :-") ;
+printf("\n (a) EMF induced , E = %.1f A \n ",E);
+