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+//Caption:Determine the (a)full load speed (b)Speed regulation (c)HP rating (d)Full load efficiency
+//Exa:2.36
+clc;
+clear;
+close;
+V=240;//in volts
+R_f=120;//in ohms
+R_a=0.25;//in ohms
+I_1=60;//in amperes
+I_f=V/R_f;//in amperes
+I_a1=I_1-I_f;//in amperes
+E_b1=V-I_a1*R_a;//in volts
+N_o=1000;//in rpm
+I=6;//in amperes
+I_ao=I-I_f;//in amperes
+E_bo=V-I_ao*R_a;//in volts
+N_1=N_o*E_b1/E_bo;
+disp(N_1,'(a)Full load speed (in rpm) =');
+SR=100*(N_o-N_1)/N_o;
+disp(SR,'(b)Speed regulation (in %) =');
+P_o=E_b1*I_a1-(E_bo*I_ao);
+HP=P_o/746;
+disp(HP,'(c)HP rating (in HP)=');
+P_i=V*I_1;
+Eff=P_o*100/P_i;
+disp(Eff,'(d)Efficiency (in %)=') \ No newline at end of file