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+// FUNDAMENTALS OF ELECTICAL MACHINES 
+// M.A.SALAM 
+// NAROSA PUBLISHING HOUSE 
+// SECOND EDITION
+
+// Chapter 4 : DIRECT CURRENT GENERATORS
+// Example : 4.4
+
+
+clc;clear; // clears the console and command history 
+
+// Given data
+P = 4       // number of poles
+Z = 40*10   // number of conductors
+phi = 0.02  // flux per pole in Wb
+N = 1200    // speed in rpm
+
+// caclulations 
+A = P/2
+E_g = (P*phi*Z*N)/(60*A) // generated voltage in V
+
+// display the result 
+disp("Example 4.4 solution");
+printf("\n Generated voltage \n E_g = %.0f V \n", E_g);
+