A single-phase induction motor with only the main winding excited would exhibit the following response at synchronous speed 

(A) Rotor current is zero (B) Rotor current is non-zero and is at slip frequency (C) Forward and backward rotating fields are equal (D) Forward rotating field is more than the backward rotating field

1 Answer

Answer :

A single-phase induction motor with only the main winding excited would exhibit the following response at synchronous speed 

(A) Rotor current is zero (B) Rotor current is non-zero and is at slip frequency (C) Forward and backward rotating fields are equal (D) Forward rotating field is more than the backward rotating field

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