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Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 4
11.
In figure the voltage distribution on a vertical earthed antenna is represented by
curve A
curve B
curve C
curve D
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
The direction in a Yagi Uda antenna
is longer than the radiating element
is shorter than the radiating element
can be longer or shorter than the radiating element
does not exist
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
In cell phone antennas are
monopole
loops
helical
lens
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Antenna commonly used for microwave links are
loop antennas
log periodic antennas
paraboloidal dishes
rhombic antennas
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
For a good conducting medium the intrinsic impedance is
σωμ ∠p/2
ωμ /σ ∠45°
ωμ/σ ∠p/2
ωμ/σ ∠0°
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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