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Railways NTPC (Technical Ability) Power and Control System Question Bank Control System

  • question_answer
    For the minimum phase system to be stable

    A)  phase margin should be negative and gain margin positive

    B)  phase margin should be positive and gain margin negative

    C)  both gain margin and phase margin should be positive

    D)  both gain margin and phase margin should be negative

    Correct Answer: C

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