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When a single phase induction motor is excited with single phase ac voltage, the magnetic field set up is equivalent to | |
A. | two fields, rotating in opposite directions with different speeds [Wrong Answer] |
B. | two fields, rotating at synchronous speed in opposite directions. [Correct Answer] |
C. | two fields, rotating at synchronous speed [Wrong Answer] |
D. | two fields, rotating in the same direction but at different speeds. [Wrong Answer] |