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+// Calculating the temperature rise
+clc;
+disp('Example 4.43, Page No. = 4.77')
+// Given Data
+az = 30*10^(-6);// Cross-sectional area (in meter square)
+Iz = 20*10^(3);// Current (in Ampere)
+t = 50;// Time (in mili second)
+p = 0.021*10^(-6);// Resistivity of conductor (in ohm*meter)
+h = 418;// Specific heat (in J/kg degree celsius)
+g = 8900;// Density (in kg per meter cube)
+// Calculation of the temperature rise
+T = Iz^(2)*p*t*10^(-3)/(g*az^(2)*h);// Temperature rise (in degree celsius)
+disp(T,'Temperature rise (degree celsius)=');
+//in book answer is 125 degree celsius.  The answers vary due to round off error
+