Which of the following statements about 3-phase induction motor is incorrect?

Which of the following statements about 3-phase induction motor is incorrect ?

A. It is capable of operation under a wide range of power factors both lagging and leading
B. It starts up from rest and has not be synchronised
C. Its no-load line current may be as large as 40% of the full load current
D. It has no commutator and no slip rings
E. It has no moving contact between stator and rotor

Show Answer

Answer: A

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