1
GATE EE 2017 Set 2
MCQ (Single Correct Answer)
+2
-0.6
The root locus of the feedback control system having the characteristic equation $${s^2} + 6Ks + 2s + 5 = 0$$ where $$K>0,$$ enters into the real axis at
2
GATE EE 2015 Set 2
MCQ (Single Correct Answer)
+2
-0.6
An open loop transfer function $$G(s)$$ of system is $$G\left( s \right) = {k \over {s\left( {s + 1} \right)\left( {s + 2} \right)}}$$
For a unity feedback system, the breakaway point of the root loci on the real axis occurs at,
3
GATE EE 2011
MCQ (Single Correct Answer)
+2
-0.6
The open loop transfer function $$G(s)$$ of a unity feedback control system is given as, $$G\left( s \right) = {{k\left( {s + {2 \over 3}} \right)} \over {{s^2}\left( {s + 2} \right)}}.\,\,$$ From the root locus, it can be inferred that when $$k$$ tends to positive infinity
4
GATE EE 2010
MCQ (Single Correct Answer)
+2
-0.6
The characteristic equation of a closed-loop system is $$s\left( {s + 1} \right)\left( {s + 3} \right) + \,\,k\left( {s + 2} \right) = 0,\,\,k > 0.$$
Which of the following statements is true?
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