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+// A Texbook on POWER SYSTEM ENGINEERING
+// A.Chakrabarti, M.L.Soni, P.V.Gupta, U.S.Bhatnagar
+// DHANPAT RAI & Co.
+// SECOND EDITION 
+
+// PART IV : UTILIZATION AND TRACTION
+// CHAPTER 6: MOTORS FOR ELECTRIC TRACTION
+
+// EXAMPLE : 6.3 :
+// Page number 790
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+V = 650.0      // Voltage supply(V)
+r_A = 45.0     // Radius of driving wheel(cm)
+r_B = 43.0     // Radius of driving wheel(cm)
+N_A = 400.0    // Speed(rpm)
+drop = 10.0    // Voltage drop(%)
+
+// Calculations
+rho = r_B/r_A
+IR = drop*V/100                 // Voltage drop(V)
+V_A = (rho*(V-IR)+IR)/(1+rho)   // Voltage(V)
+V_B = V-V_A                     // Voltage(V)
+N_A_A = N_A*(V_A-IR)/(V-IR)     // N"_A(rpm)
+N_B_B = N_A_A*r_A/r_B           // N"_B(rpm)
+
+// Results
+disp("PART IV - EXAMPLE : 6.3 : SOLUTION :-")
+printf("\nSpeed of first motor when connected in series, N_A = %.f rpm", N_A_A)
+printf("\nSpeed of second motor when connected in series, N_B = %.f rpm\n", N_B_B)
+printf("\nNOTE: Changes in the obtained answer from that of textbook is due to more precision here")