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diff --git a/833/CH11/EX11.11/Ex11_11.txt b/833/CH11/EX11.11/Ex11_11.txt
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+//Caption:Find (a)Equivalent rotor current per phase (b)Stator current per phase (c)Power factor (d)Rotor input (e)Rotor copper losses (f)Torque (g)Mechanical power output from rotor (h)Stator input (i)Efficiency 

+//Exa:11.11

+clc;

+clear;

+close;

+V=440//Voltage supplied(in volts)

+p=8//Number of poles

+f=50//Frequency(in hertz)

+r1=0.2//Stator resistance(in ohm)

+x1=1.2//Stator reactance(in ohm)

+r2=0.3//Equivalent resistance of rotor referred to stator(in ohm)

+x2=1.2//Equivalent reactance of rotor referred to stator(in ohm)

+r_m=150//Magnetising resistance(in ohms)

+x_m=18//Magnetising reactance(in ohms)

+P_wf=750//Winding and friction losses(in watt)

+s=0.04//Slip

+n_s=(f*120)/(p*60)

+y1=1/r_m

+y2=1/(%i*x_m)

+y3=1/((r2/s)+(%i*x2))

+Y=y1+y2+y3

+Z=1/Y

+Z_t=Z+(r1+(%i*x1))

+E=V*Z/(Z_t)

+z3=1/y3

+i2=E/z3

+disp(i2,'(a)Rotor current per phase(in A)=')

+i1=V/Z_t

+disp(i1,'(b)Stator current per phase(in A)=')

+pf=cosd(atand(-(imag(Z_t))/real(Z_t)))

+disp(pf,'(c)Power factor=')

+P_r=(i2*(conj(i2)))*(r2/s)

+disp(P_r,'(d)Rotor input(in watt)=')

+P_rc=(i2*(conj(i2)))*r2

+disp(P_rc,'(e)Rotor copper loss(in watt)=')

+T=3*P_r/(2*%pi*n_s)

+disp(T,'(f)Torque(in N-m)=')

+P_me=P_r-P_rc-(P_wf/3)

+disp(P_me,'(g)Mechanical output from rotor(in watts per phase)=')

+P_st=V*(sqrt(i1*(conj(i1))))*pf

+disp(P_st,'(h)Stator input(watts per phase)=')

+eff=(P_me/P_st)*100

+disp(eff,'(i)Efficiency(in %)=')
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