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1
GATE ECE 2011
MCQ (Single Correct Answer)
+1
-0.3
The modes in a rectangular waveguide are denoted by $$T{E_{mn}}\,$$/$$T{M_{mn}}\,$$ where m and n are the eigen numbers along the larger and smaller dimensions of the waveguide respectively. Which one of the following satements is TRUE?
A
The $$T{M_{10}}\,$$ mode of the waveguide does not exist
B
The $$T{E_{10}}\,$$ mode of the waveguide does not exist
C
The $$T{M_{10}}\,$$ and the $$T{E_{10}}\,$$ modes both exist and have the same cut-off frequencies
D
The $$T{M_{10}}\,$$ and the $$T{M_{01}}\,$$ modes both exist and have the same cut-off frequencies.
2
GATE ECE 2009
MCQ (Single Correct Answer)
+1
-0.3
Which of the following statements is true regarding the fundamental mode of the metallic waveguides shown? GATE ECE 2009 Electromagnetics - Waveguides Question 36 English
A
Only P has no cutoff- frequency
B
Only Q has no cutoff-frequency
C
Only R has no cutoff-frequency
D
All three have cutoff-frequencies
3
GATE ECE 2004
MCQ (Single Correct Answer)
+1
-0.3
The phase velocity of an electromagnetic wave propagating in a hollow metallic rectangular waveguide in the $$T{E_{10}}$$ mode is
A
equal to its group velocity
B
less than the velocity of light in free space
C
equal to the velocity of light in free space
D
greater than the velocity of light in free space
4
GATE ECE 2002
MCQ (Single Correct Answer)
+1
-0.3
The phase velocity for the $$T{E_{10}}$$ mode in an air-filled rectangular waveguide is
A
less than c
B
equal to c
C
greater than c
D
none of the above
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GATE ECE Subjects
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
Network Theory
Network Elements Network Theorems Transient Response Sinusoidal Steady State Response Two Port Networks Network Graphs State Equations For Networks 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
Digital Circuits
Number System and Code Convertions Boolean Algebra Logic Gates Combinational Circuits Sequential Circuits Semiconductor Memories Logic Families Analog to Digital and Digital to Analog Converters
General Aptitude
Numerical Ability Logical Reasoning Verbal Ability
Electronic Devices and VLSI
PN Junction Semiconductor Physics IC Basics and MOSFET BJT and FET
Analog Circuits
Diodes Bipolar Junction Transistor Frequency Response FET and MOSFET Oscillators Operational Amplifier Feedback Amplifier Power Amplifier 555 Timer
Engineering Mathematics
Linear Algebra Calculus Vector Calculus Complex Variable Probability and Statistics Differential Equations Numerical Methods Transform Theory
Microprocessors
Instruction Set and Programming with 8085 Pin Details of 8085 and Interfacing with 8085
Communications
Analog Communication Systems Digital Communication Systems Random Signals and Noise Fundamentals of Information Theory Noise In Digital Communication
Electromagnetics
Maxwell Equations Transmission Lines Uniform Plane Waves Waveguides Antennas Miscellaneous
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