The speed of a squirrel-cage induction motor can be controlled by all of the following except Options: A . &nbspChanging supply frequency B . &nbspChanging number of poles C . &nbspChanging winding resistance D . &nbspReducing supply voltage

The speed of a squirrel-cage induction motor can be controlled by all of the fol

Question

The speed of a squirrel-cage induction motor can be controlled by all of the following except

Options:

A . Changing supply frequency

B . Changing number of poles

C . Changing winding resistance

D . Reducing supply voltage

Answer: Option C

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