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Electromagnetics
Waveguides
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Antennas
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Miscellaneous
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Transmission Lines
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Maxwell Equations
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Uniform Plane Waves
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1
GATE ECE 1999
MCQ (Single Correct Answer)
+2
-0.6
In a twin-wire transmission line in air, the adjacent voltage maxima are at 12.5 cm and 27.5. The operating frequency is
A
300 MHz
B
1 GHz
C
2 GHz
D
6.28 GHz
2
GATE ECE 1994
True or False
+2
-0
If a pure resistance load, when connected to a lossless 75-ohm line, produces a VSWR of 3 on the line, then the load impedance can only be 25 ohms.
A
TRUE
B
FALSE
3
GATE ECE 1993
MCQ (Single Correct Answer)
+2
-0.6
Consider a transmission line of characteristic impedance 50 ohm. Let it be terminated at one end by ( + j50) ohm. The VSWR produced by it in the transmission line will be
A
+ 1
B
0
C
$$\infty $$
D
+ j
4
GATE ECE 1992
MCQ (More than One Correct Answer)
+2
-0
A transmission line whose characteristic impedance is a pure resistance
A
must be a lossless line
B
must be a distortionless line
C
may not be a lossless line
D
may to be a distortionless line
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Questions Asked from Marks 2
GATE ECE 2025 (1) GATE ECE 2024 (1) GATE ECE 2023 (2) GATE ECE 2016 Set 2 (2) GATE ECE 2015 Set 3 (2) GATE ECE 2014 Set 2 (1) GATE ECE 2014 Set 1 (1) GATE ECE 2012 (1) GATE ECE 2011 (1) GATE ECE 2010 (1) GATE ECE 2009 (1) GATE ECE 2008 (1) GATE ECE 2007 (2) GATE ECE 2005 (3) GATE ECE 2004 (3) GATE ECE 2003 (1) GATE ECE 1999 (2) GATE ECE 1994 (1) GATE ECE 1993 (1) GATE ECE 1992 (1) GATE ECE 1991 (1) GATE ECE 1989 (1) GATE ECE 1988 (1) GATE ECE 1987 (1)
GATE ECE Subjects
Signals and Systems
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics