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Discussion :: Automatic Control Systems

  1. The open loop transfer function of a unity feedback system is The poles of closed loop system are at

    2. A.
    -2, -2
    B.
    -2, -1
    C.
    - 2, ± j 1
    D.
    - 2, 2

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    Answer : Option C

    Explanation :

    for s2 + 4s + 5 = 0, the roots are - 2 ± j1.

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