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  1. For a given transfer function: Damping ratio is:

    2. A.
    0.707
    B.
    0.695
    C.
    1.414
    D.
    0.798

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    Answer : Option A

    Explanation :

    1 + G(s)H(s) = s2 + 2s + 2

    ωn = 2 , 2εeωn = 2, εe = = 0.707.

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