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Discussion :: D.C. Motors

  1. The speed of a D.C. motor can be varied by varying

    2. A.

     Field current
    B.

     Applied voltage
    C.

     Resistance in series with armature
    D.

     Any of the above

    View Answer

    Workspace

    View Answer

    Answer : Option D

    Explanation :

    Explanation Not Provided

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