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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 7: UNDERGROUND CABLES
+
+// EXAMPLE : 7.6 :
+// Page number 212-213
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+V = 11.0*10**3        // Line Voltage(V)
+dia_out = 8.0         // Outside diameter(cm)
+
+// Calculations
+D = dia_out/2.0                      // Overall diameter(cm)
+d = (D)/2.718                        // Conductor diameter(cm)
+r = d/2                              // Conductor radius(cm)
+g_m = 2*V/(d*log(D/d)*10)            // Maximum value of electric field strength(kV/m)
+
+// Results
+disp("PART II - EXAMPLE : 7.6 : SOLUTION :-")
+printf("\nConductor radius, r = %.3f cm", r)
+printf("\nElectric field strength that must be withstood, g_m = %.f kV/m", g_m)