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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.
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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