The following are several types of wire antennas except
Antenna shortcourse

Quiz
•
Physics
•
University
•
Easy
HARFAN RYANU
Used 7+ times
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Horn
Dipole
Loop
Monopole
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An antenna with dimensions of 0.25λ, working at a frequency of 3GHz, what are the dimensions of the antenna?
A. 2.5 cm
A. 25 cm
A. 10 cm
A. 100 cm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Choose one of the advantages of wireless communication compared to wired communication…
At a very long distances, wireless communication has less free space loss than cable loss
Wireless communication is free from Doppler effect on moving users
Communication Cables experience multipath resulting in signal degradation
Multipath in wireless communication protects signals from intersymbol interference (ISI) compared to wired communication which only uses one path.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The radiation pattern of a good antenna is measured in the region ...
Farfield
Middle Field
Reactive Near Field
Radiative Near Field
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The following are some of the things that affect the efficiency of an antenna except
Power of the antenna
Material of the antenna
Dielectric component of antenna
Antenna impedance
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The effective aperture will reach its optimum value if the antenna…
In the matching impedance condition
Has losses due to conductive components
Has losses due to dielectric component
Antenna efficiency reach 200%
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a conductor element without feed is near the antenna, what are the possibilities?
The conductor component undergoes scattering aperture principle
An impedance matching is required due to the antenna input impedance has changed
A resonant short circuit that change the antenna radiation pattern will occur
All answer are true
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