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Discussion :: Signals and Systems

  1. An ac network has a power factor of 0.8 leading if the applied wave is of fundamental frequency. If the applied wave contains third and fifth harmonics, the overall power factor will be

    2. A.
    0.8 leading
    B.
    less than 0.8 leading
    C.
    more than 0.8 leading
    D.
    0.8 leading or more

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    Answer : Option C

    Explanation :

    As frequency increases, XC decreases and power factor improves.

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