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+//CHAPTER 8- DIRECT CURRENT MACHINES
+//Example 29
+
+disp("CHAPTER 8");
+disp("EXAMPLE 29");
+
+//VARIABLE INITIALIZATION
+r_a=1; //in Ohms
+N1=800; //in rpm
+v_t=200; //in Volts
+I_a=15; //in Amperes
+r_s=5; //series resistance in Ohms
+
+//SOLUTION
+E_b1=v_t-(I_a*r_a);
+E_b2=v_t-I_a*(r_a+r_s);
+N2=(E_b2/E_b1)*N1;
+N2=round(N2); //to round off the value
+disp(sprintf("The speed attained after connecting the series resistance is %d rpm",N2));
+
+//END