1

GATE ECE 2011

MCQ (Single Correct Answer)

+2

-0.6

The input-output transfer function of a plant is h(s)=$${{100} \over {s{{\left( {s + 10} \right)}^2}}}$$. The plant is placed in a unity negative feedback configuration as shown in the figure below.
The gain margin of the system under closed loop unity negative feedback is

2

GATE ECE 2011

MCQ (Single Correct Answer)

+2

-0.6

The input-output transfer function of a plant is h(s)=$${{100} \over {s{{\left( {s + 10} \right)}^2}}}$$. The plant is placed in a unity negative feedback configuration as shown in the figure below.
The signal flow graph that DOES NOT model the plant transfer function H(s) is

3

GATE ECE 2009

MCQ (Single Correct Answer)

+2

-0.6

The Nyquist plot of a stable transfer function G(s) is shown in the figure. We are interested in the stability of the closed loop system in the feedback configuration shown.
Which of the foloowing statements is true?

4

GATE ECE 2009

MCQ (Single Correct Answer)

+2

-0.6

The Nyquist plot of a stable transfer function G(s) is shown in the figure. We are interested in the stability of the closed loop system in the feedback configuration shown.
The gain and phase margins of G(s) for closed loop stability are

Questions Asked from Frequency Response Analysis (Marks 2)

Number in Brackets after Paper Indicates No. of Questions

GATE ECE 2018 (2)
GATE ECE 2017 Set 1 (1)
GATE ECE 2017 Set 2 (1)
GATE ECE 2016 Set 2 (2)
GATE ECE 2015 Set 2 (1)
GATE ECE 2014 Set 2 (1)
GATE ECE 2014 Set 1 (1)
GATE ECE 2011 (2)
GATE ECE 2009 (2)
GATE ECE 2008 (3)
GATE ECE 2007 (1)
GATE ECE 2006 (4)
GATE ECE 2005 (3)
GATE ECE 2004 (2)
GATE ECE 2003 (2)
GATE ECE 2002 (1)
GATE ECE 2001 (1)
GATE ECE 1992 (1)
GATE ECE 1991 (1)
GATE ECE 1989 (1)
GATE ECE 1987 (2)

GATE ECE Subjects

Network Theory

Control Systems

Electronic Devices and VLSI

Analog Circuits

Digital Circuits

Microprocessors

Signals and Systems

Representation of Continuous Time Signal Fourier Series Discrete Time Signal Fourier Series Fourier Transform Discrete Time Signal Z Transform Continuous Time Linear Invariant System Transmission of Signal Through Continuous Time LTI Systems Discrete Time Linear Time Invariant Systems Sampling Continuous Time Signal Laplace Transform Discrete Fourier Transform and Fast Fourier Transform Transmission of Signal Through Discrete Time Lti Systems Miscellaneous Fourier Transform

Communications

Electromagnetics

General Aptitude