Question: Question 6 : Consider the Nyquist plots below. They belong to four open loop systems which are stable. a ) Which of them will be

Question 6: Consider the Nyquist plots below. They belong to four open loop systems
which are stable.
a) Which of them will be closed loop stable when the feedback loop is connected as below?
Why?
b) Which of them are closed loop stable for any value of the gain K? Why?
 Question 6: Consider the Nyquist plots below. They belong to four

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