Antenna Problems
Authored by sree sankar
Engineering
University
Used 2+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Directivity of Isotropic antenna is ......................
0
100
1
1000
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The length of half wave dipole is .............
λ/2
λ/4
λ/25
λ
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the maximum effective aperture of a microwave antenna with a directivity 900?
71.6λ2
716λ2
0.716λ2
λ2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the effective height of a λ/2 antenna. Given radiation resistance is 73 Ω, maximum aperture is 0.13 λ2. And efficiency is 120π.
0.3317 λ2
0.317 λ2
3178 λ2
1173 λ2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Radiation Resistance of a half wave dipole antenna is.........
71 Ω
73 Ω
78 Ω
738 Ω
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