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Electromagnetics
Waveguides
Marks 1Marks 2Marks 5Marks 8Marks 10
Antennas
Marks 1Marks 2Marks 4Marks 5Marks 8Marks 10
Miscellaneous
Marks 1Marks 2
Transmission Lines
Marks 1Marks 2Marks 5Marks 10
Maxwell Equations
Marks 1Marks 2
Uniform Plane Waves
Marks 1Marks 2Marks 5Marks 8
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1
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
The vector $$\mathop H\limits^ \to $$ in the far field of an antenna satisfiels
A
$$\nabla .\,\mathop H\limits^ \to = 0\,\,and\,\,\nabla \times \,\mathop H\limits^ \to = 0\,$$
B
$$\nabla .\,\mathop H\limits^ \to \ne 0\,\,and\,\,\nabla \times \,\mathop H\limits^ \to \ne 0$$
C
$$\nabla .\,\mathop H\limits^ \to = 0\,\,and\,\,\nabla \times \,\mathop H\limits^ \to \ne 0\,\,$$
D
$$\nabla .\,\mathop H\limits^ \to \ne 0\,\,and\,\,\nabla \times \,\mathop H\limits^ \to = 0\,\,$$
2
GATE ECE 1995
MCQ (Single Correct Answer)
+1
-0.3
An antenna when radiating, has a highly directional radiation pattern. When the antenna is receiving its radiation pattern
A
is more directive
B
is less directive
C
is the same
D
exhibits no directivity at all
3
GATE ECE 1994
MCQ (Single Correct Answer)
+1
-0.3
For a dipole antenna
A
the radiation intensity is maximum along the normal to the dipole axis
B
the current distribution along its length is uniform irrespective of the length
C
the effective length equals its physical length
D
the input impedance is independent of the location of the feed-point
Previous
Questions Asked from Marks 1
GATE ECE 2015 Set 3 (1) GATE ECE 2014 Set 4 (2) GATE ECE 2012 (1) GATE ECE 2008 (1) GATE ECE 2006 (1) GATE ECE 2005 (1) GATE ECE 2004 (1) GATE ECE 2002 (1) GATE ECE 2000 (1) GATE ECE 1998 (4) GATE ECE 1995 (1) GATE ECE 1994 (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