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A single phase induction motor with only the main winding excited would exhibit the following response at synchronous speed | |
A. | Rotor current is zero. [Wrong Answer] |
B. | Rotor current is non-zero and is at shp frequency. [Wrong Answer] |
C. | Forward and backward totaling fields are equal. [Wrong Answer] |
D. | Forward rotating field is more than backward rotating field. [Correct Answer] |