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+// Theory and Problems of Thermodynamics
+// Chapter 1
+// Basic Concepts
+// Example 7
+
+clear ;clc;
+
+//Given data
+t = 10      //t = time period for a liquid is heated in minutes
+I = 3       // I = current in amperes
+V = 200     // V = electric potential in volts
+P = 200     // P = opearted power of rating motor in watts
+
+//Calculate mass of 1 kmol air
+t = t * 60;         //units conversion minutes to seconds
+E_res = V * I * t;  //Energy transfered by resistor in J
+E_pad = P * t;      //Energy transfered by paddle wheel in J
+E_tot = E_res + E_pad;  //Total energy transfered
+E_tot = E_tot/1000;     //units conversion J to kJ
+
+// Results
+mprintf('Total enegy transfered = %3.0f kJ', E_tot)