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Q. |
A three phase induction motor is sometimes called a generalized transformer in so far as voltage and frequency transformation has been concerned. How a three phase induction motor operates when rotor frequency is less than stator frequency? |
A. | it operates as induction motor |
B. | emf is induced in rotor |
C. | rmf will rotate at synchronous speed |
D. | all of the mentioned |
Answer» D. all of the mentioned | |
Explanation: it will operate as induction motor. |
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