Multiple choice

If the closed-loop transfer function of a control system is given as T(s) = $$\dfrac{s-5}{(s+2)(s+3)}$$, then it is

  1. an unstable system

  2. an uncontrollable system

  3. a minimum phase system

  4. a non-minimum phase system
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In a minimum phase system, all the poles as well as zeros are on the left half of the s-plane. In given system as there is right half zero (s = 5), the system is a non-minimum phase system.

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