GATE ECE 2003 | Stability Question 26 | Control Systems

GATE ECE 2003

MCQ (Single Correct Answer)

-0.6

The open-loop transfer function of a unity feedback system is $$$G\left(s\right)=\frac k{s\left(s^2+s+2\right)\left(s+3\right)}$$$ the range of 'k' for which the system is stable

$$\frac{21}4>k>0$$

13 > k > 0

$$\frac{21}4<\;k\;<\;\infty$$

$$-6\;<\;k\;<\;\infty$$

GATE ECE 2002

MCQ (Single Correct Answer)

-0.6

The system shown in Figure remains stable when GATE ECE 2002 Control Systems - Stability Question 33 English

k<-1

-1 < k < 1

1 < k < 3

k > 3

GATE ECE 2002

MCQ (Single Correct Answer)

-0.6

The characteristic polynomial of a system is
q(s) = 2s⁵ + s⁴ + 4s³ + 2s² + 2s + 1. The system is

stable

marginally stable

unstable

oscillatory

GATE ECE 2001

MCQ (Single Correct Answer)

-0.6

The feedback control system in Figure is stable GATE ECE 2001 Control Systems - Stability Question 19 English

for all K $$\geq$$ 0

only if K $$\geq$$ 1

only if 0 $$\leq$$ K < 1

only if 0 $$\leq$$ K $$\leq$$ 1

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