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+// Theory and Problems of Thermodynamics
+// Chapter 5
+// Second law of Thermodynamics
+// Example 5
+
+clear ;clc;
+
+//Given data
+n = 0.6      //n = efficiency of carnot engine
+COP_R =  5   //TH = High  temperature of reservoir
+
+// To find the energy absorbed from the cold body by the refrigerator for each kJ
+QL_Q1 = n * COP_R;      // energy in kJ
+// n = W/Q1 => W = n*Q1
+// COP_R = QL/W => W = QL/COP_R
+// n*Q1 = QL/COP_R => QL/Q1 = n * COP_R
+
+// Results
+mprintf('The energy absorbed from the cold body by the refrigerator for each kJ = %1.0f kJ', QL_Q1)