Electronics and Communication Engineering - Exam Questions Papers - Discussion


Consider a unity feedback control system with open-loop transfer function The steady state error of the system due to a unity step input is :

[A]. zero
[B]. K
[C]. 1/K
[D]. infinite

Answer: Option A



Shagufta Shah said: (Aug 4, 2015)  
S=0 so ess should be infinite. How is it zero?

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