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Discussion :: Automatic Control Systems

  1. The polar plot of

    2. A.
    does not cross real axis
    B.
    crosses real axis
    C.
    crosses real axis at ω = 0.7 rad/sec
    D.
    crosses real axis at ω = 1.4 rad/sec

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    Workspace

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    Answer : Option A

    Explanation :

    It does not become real at any frequency.

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