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Discussion :: Signals and Systems

  1. In an ac circuit the fundamental component of current wave lags the corresponding voltage wave by 20°. The third harmonic component of current wave lags the corresponding voltage by an angle.

    2. A.
    less than 20°
    B.
    more than 20°
    C.
    equal to 20°
    D.
    equal to or more than 20°

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    Answer : Option B

    Explanation :

    For third harmonic θ = tan-1 = .

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