A 3 phase, 4 pole, 400 V, 50 Hz, star connected induction motor has following circuit parameters
r₁ = 1.0 Ω , r₂' = 0.5 Ω
x₁ = x₂' = 1.2 Ω, x_m = 35 Ω
The starting torque when the motor is started direct- on-line is (use approximate equivalent circuit model)