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Discussion :: D.C. Motors

  1. In variable speed motor

    2. A.

     A stronger commutating field is needed at low speed than at high speed
    B.

     A weaker commutating field is needed at low speed than at high speed
    C.

     Same commutating field is needed at low speed than at high speed
    D.

     None of the above is correct

    View Answer

    Workspace

    View Answer

    Answer : Option B

    Explanation :

    Explanation Not Provided

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