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Practice over 1000+ GATE-level questions from this topic!

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Q#1 Stability GATE EC 2008 MCQ +2 marks -0.66 marks

A certain system has transfer function, where  is a parameter. Consider the standard negative unity feedback configuration as shown below.  

21.jpg

Which of the following statements is true?

The closed-loop system is never stable for any value of.

For some positive values of , the closed loop system is stable, but not for all positive values.

For all positive values of , the closed loop system is stable.

The closed loop system is stable for all values of , both positive and negative.

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