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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 II : TRANSMISSION AND DISTRIBUTION
+// CHAPTER 2: CONSTANTS OF OVERHEAD TRANSMISSION LINES
+
+// EXAMPLE : 2.3 :
+// Page number 101
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+D = 135.0 // Spacing between conductors(cm)
+r = 0.8 // Radius of conductor(cm)
+
+// Calculations
+L = (1+4*log(D/r))*10**-7*1000.0 // Loop inductance per km(H)
+L_mH = L*1000.0 // Loop inductance per km(mH)
+
+// Results
+disp("PART II - EXAMPLE : 2.3 : SOLUTION :-")
+printf("\nLoop inductance of line per km, L = %.2f mH", L_mH)