- Courses
- Tutorials
- Interview Prep
GATE EC||ELCTROMAGNETIC FIELD THEORY|| TIME VARYING FIELD|| PYQS(2000-2025)
Question 1
(GATE 2005|| EC || MCQ ||2 MARK)
3 µm
3 mm
2 µm
1 mm
Question 2
(GATE 2015|| EC || MCQ ||1 MARK
right-handed circular
right-handed elliptical
left-handed circular
left-handed elliptical
Question 3
(GATE 2015|| EC || MCQ ||2 MARK)
right hand circular
left hand elliptical
right hand elliptical
linear
Question 4
(GATE 2015|| EC || NAT ||2 MARK)
53.25
Question 5
If a right-handed circularly polarized wave is incident normally on a plane perfect conductor, then the reflected wave will be
(GATE 2016|| EC || MCQ ||1 MARK)
right-handed circularly polarized
left-handed circularly polarized
elliptically polarized with a tilt angle of 45°
horizontally polarized
Question 6
( GATE 2016|| EC || MCQ ||1 MARK)
The type of polarization of the wave.
The group velocity of the wave.
The phase velocity of the wave.
The phase velocity of the wave.
Question 7
(GATE 2016|| EC || MCQ ||2 MARK)
linear, circular (clockwise), –5 dB
circular (clockwise), linear, –5 dB
circular (clockwise), linear, –3 dB
circular (clockwise), linear, –3 dB
Question 8
Where, x, y, z represents the spatial coordinates, t represents time, and w, k are constants. This electric field
(GATE 2017|| EC || MCQ ||2 MARK)
does not represent a plane wave.
represents a circularly polarized plane wave propagating normal to the z-axis.
represents an elliptically polarized plane wave propagating along the x-y plane.
represents a linearly polarized plane wave.
Question 9
The distance (in meters) a wave has to propagate in a medium having a skin depth of 0.1 m so that the amplitude of the wave attenuates by 20 dB is
(GATE 2018|| EC || MCQ ||2 MARK)
0.12
0.23
0.46
2.3
Question 10
(GATE 2020|| EC || NAT ||2 MARK)
1
There are 49 questions to complete.