Uniform Aperture Field Online Exam Quiz
Uniform Aperture Field GK Quiz. Question and Answers related to Uniform Aperture Field. MCQ (Multiple Choice Questions with answers about Uniform Aperture Field
Equivalence principle is mainly used for far filed analysis of the antenna in outer region.
Options
A : TRUE
B : FALSE
C : -
D : -
Find the skip distance when the angle of incidence is 200 and virtual height is 50km?
Options
A : 13.22m
B : 13.22km
C : 36.33km
D : 36.33m
Find the virtual height h when the angle of incidence is 600 and distance of separation 120km.
Options
A : 60km
B : 64.34km
C : 34.64km
D : 72.42km
Huygens principle in mathematical form is referred to as equivalence principle for aperture antennas.
Options
A : TRUE
B : FALSE
C : -
D : -
Relation between skip distance d, virtual height d and MUF fMUF is __
Options
A : d=2h[f 2 MUF f 2 c ?1] ? ? ? ? ? ? ? ? ?
B : h=2d[f 2 MUF f 2 c ?1] ? ? ? ? ? ? ? ? ?
C : d=2h(f 2 MUF f 2 c ?1)
D : h=2d(f 2 MUF f 2 c ?1)
Skip zone is distance between the point where the ground wave reception becomes zero and the sky wave returns for the first time.
Options
A : TRUE
B : FALSE
C : -
D : -
The differences in the virtual height and actual height are affected by the electron density in the ionosphere region.
Options
A : TRUE
B : FALSE
C : -
D : -
The effective height of a layer of ionized gas in the atmosphere by which the radio waves are reflected around earth's curvature is called Virtual height.
Options
A : TRUE
B : FALSE
C : -
D : -
The gain of the aperture antenna increases with square of the frequency.
Options
A : TRUE
B : FALSE
C : -
D : -
The height at a point above the earth's surface at which the wave bends down to the earth is called __
Options
A : Actual height
B : Virtual height
C : Skip distance
D : Distance of separation between transmitter and antenna
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