initial commit / add all books

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+
+clear;
+clc;
+disp('Example 1.12');
+
+
+
+//  Given values
+V = 230; //  volatage, [volts]
+I = 60; //  current, [amps]
+n_gen = .95; //  efficiency of generator
+n_eng = .92; //  efficiency of engine
+
+//  solution
+
+P_gen = V*I; //  Power delivered by generator, [W]
+P_gen=P_gen*10^-3; //  [kW]
+
+P_in_eng=P_gen/n_gen;//Power input from engine,[kW]
+
+P_out_eng=P_in_eng/n_eng;//Power output from engine,[kW]
+
+mprintf('\n The power output from the engine is  =  %f  kW\n',P_out_eng);
+
+//  End