Q. 10 No-load test on a 3-phase induction motor was conducted at different supply
voltage and a plot of input power versus voltage was drawn. This curve was
extrapolated to intersect the y-axis. The intersection point yields
(A) Core loss
(B) Stator copper loss
(C) Stray load loss
(D) Friction and windage loss
Answer: (D)
Explanation: