Step-less speed control of induction motor is possible by which of the following methods? Options: A . &nbspe.m.f. injection in rotor eueuit B . &nbspChanging the number of poles C . &nbspCascade operation D . &nbspNone of the above

Step-less speed control of induction motor is possible by which of the following

Question - Step-less speed control of induction motor is possible by which of the following methods?

Options:

A . e.m.f. injection in rotor eueuit

B . Changing the number of poles

C . Cascade operation

D . None of the above

Answer: Option B

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