Electronics and Communication Engineering - Electromagnetic Field Theory

26.
A unipole is also known as
omnidirectional radiator
unidirectional radiator
line radiator
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

27.
Microwave signals follow the curvature of the earth and the phenomenon
tropospheric scatter
faraday effect
duct propagation
none
Answer: Option
Explanation:
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28.
Broadcasting antennas are generally
omnidirectional type
vertical type
horizontal type
helical
Answer: Option
Explanation:
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29.
A transmission line has characteristics impedance of (75 + j 0.01) Ω and is terminated in a load impedance of (70 + j 50) Ω. The reflection coefficient will be
0.08 + j 0.32
0.32 + j 1.38
0.70 - j 2.97
1.1 + j 0.32
Answer: Option
Explanation:
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30.
Which of the following term does not apply to the Yagi-Uda array?
High gain
Folded dipole
Parasitic
Good bandwidth
Answer: Option
Explanation:
No answer description is available. Let's discuss.