Question

As compared to the closed loop system, an open loop system is

(a) More stable but less accurate

(b) Less stable as well as less accurate

(c) More stable as well as more accurate

(d) Less stable but more accurate

The question was posed to me in examination.

I would like to ask this question from Feedback Compensation in portion Design of Control Systems

Answer 1

Correct choice is (a) More stable but less accurate

To explain: Open loop system always follows the input but closed loop system always reduces the error irrespective of the input applied.