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Discussion :: Polyphase Induction Motors

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

    2. A.

     Changing supply frequency
    B.

     Changing number of poles
    C.

     Changing winding resistance
    D.

     Reducing supply voltage

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    Answer : Option C

    Explanation :

    Explanation Not Provided

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