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1
GATE ECE 2005
MCQ (Single Correct Answer)
+2
-0.6
The open loop transfer function of a unity feedback system is given by G(s)=$${{3{e^{ - 2s}}} \over {s\left( {s + 2} \right)}}.$$ The gain and phase crossover frequencies in rad/sec are, respectively
A
0.632 and 1.26
B
0.632 and 0.485
C
0.485 and 0.632
D
1.26 and 0.632
2
GATE ECE 2004
MCQ (Single Correct Answer)
+2
-0.6
Consider the Bode magnitude plot shown in figure. The transfer function H(s) is GATE ECE 2004 Control Systems - Frequency Response Analysis Question 38 English
A
$${{\left( {s + 10} \right)} \over {\left( {s + 1} \right)\left( {s + 100} \right)}}$$
B
$${{10\left( {s + 1} \right)} \over {\left( {s + 10} \right)\left( {s + 100} \right)}}$$
C
$${{{{10}^2}\left( {s + 1} \right)} \over {\left( {s + 10} \right)\left( {s + 100} \right)}}$$
D
$${{{{10}^3}\left( {s + 100} \right)} \over {\left( {s + 1} \right)\left( {s + 10} \right)}}$$
3
GATE ECE 2004
MCQ (Single Correct Answer)
+2
-0.6
A system has poles at 0.01 Hz, 1Hz and 80 Hz; zeroes at 5hz, 100 Hz and 200 Hz. The approximate phase of the system response at 20 Hz is
A
$$ - {90^0}$$
B
$$ {0^0}$$
C
$$ {90^0}$$
D
$$ {-180^0}$$
4
GATE ECE 2003
MCQ (Single Correct Answer)
+2
-0.6
The approximate Bode magnitude plot of a minimum-phase system is shown in figure. The transfer function of the system is GATE ECE 2003 Control Systems - Frequency Response Analysis Question 39 English
A
$${10^8}{{{{\left( {s + 0.1} \right)}^3}} \over {{{\left( {s + 10} \right)}^2}\left( {s + 100} \right)}}$$
B
$${10^7}{{{{\left( {s + 0.1} \right)}^3}} \over {{{\left( {s + 10} \right)}}\left( {s + 100} \right)}}$$
C
$${10^8}{{{{\left( {s + 0.1} \right)}^2}} \over {{{\left( {s + 10} \right)}^2}\left( {s + 100} \right)}}$$
D
$${10^9}{{{{\left( {s + 0.1} \right)}^3}} \over {\left( {s + 10} \right){{\left( {s + 100} \right)}^2}}}$$
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GATE ECE Subjects
Network Theory
State Equations For Networks Network Elements Network Theorems Two Port Networks Transient Response Sinusoidal Steady State Response Network Graphs Miscellaneous
Control Systems
Signal Flow Graph and Block Diagram Time Response Analysis Compensators Basic of Control Systems Frequency Response Analysis Stability Root Locus Diagram State Space Analysis
Electronic Devices and VLSI
Semiconductor Physics PN Junction BJT and FET IC Basics and MOSFET
Analog Circuits
Bipolar Junction Transistor FET and MOSFET Oscillators Operational Amplifier 555 Timer Frequency Response Diodes Feedback Amplifier Power Amplifier
Digital Circuits
Logic Gates Boolean Algebra Analog to Digital and Digital to Analog Converters Sequential Circuits Combinational Circuits Logic Families Number System and Code Convertions Semiconductor Memories
Microprocessors
Instruction Set and Programming with 8085 Pin Details of 8085 and Interfacing with 8085
Signals and Systems
Representation of Continuous Time Signal Fourier Series Fourier Transform Continuous Time Signal Laplace Transform Discrete Time Signal Fourier Series Fourier Transform Discrete Fourier Transform and Fast Fourier Transform Discrete Time Signal Z Transform Continuous Time Linear Invariant System Discrete Time Linear Time Invariant Systems Transmission of Signal Through Continuous Time LTI Systems Sampling Transmission of Signal Through Discrete Time Lti Systems Miscellaneous
Communications
Fundamentals of Information Theory Noise In Digital Communication Analog Communication Systems Digital Communication Systems Random Signals and Noise
Electromagnetics
Maxwell Equations Transmission Lines Uniform Plane Waves Waveguides Antennas Miscellaneous
General Aptitude
Verbal Ability Logical Reasoning Numerical Ability
Engineering Mathematics
Linear Algebra Calculus Vector Calculus Probability and Statistics Differential Equations Complex Variable Numerical Methods Transform Theory
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