//Caption:Find the no load speed //Exa:2.45 clc; clear; close; V=220;//in volts R_a=2.5;//in ohms N_1=859;//in rpm I_ao=0; I_a=8;//in amperes E_b1=V-I_a*R_a; E_bo=V-I_ao*R_a; N_o=N_1*E_bo/E_b1; disp(N_o,'No Load Speed (in RPM)=')