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Discussion :: D.C. Generators

  1. The rapid wear of brushes takes place due to

    2. A.

     Abrasion from dust
    B.

     Excessive spring pressure
    C.

     Rough commutator bars
    D.

     All of the above factors

    View Answer

    Workspace

    View Answer

    Answer : Option D

    Explanation :

    Explanation Not Provided

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