Electronics and Communication Engineering - Microwave Communication

16.
In microwave detector used in laboratory measurements of relative power levels, standing wave ratio is about
0.1
1.25
5
10
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
Microwaves
get reflected by ionosphere
are absorbed by ionosphere
are neither reflected nor absorbed by ionosphere
are both reflected and absorbed by ionosphere
Answer: Option
Explanation:
No answer description is available. Let's discuss.

18.
In microstrip line has dielectric material most commonly used is
silicon
rubber
plastic
bakelite
Answer: Option
Explanation:
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19.
In fibre optics the use is made of thin glass fibres for efficient transmission of light.
True
False
Answer: Option
Explanation:
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20.
Fields are said to be circularly polarized if
their magnitudes are equal
their magnitudes are equal and they differ in phase by ± 90°
their magnitudes are unequal and they differ in phase ± 90°
their magnitudes are unequal and they are in phase
Answer: Option
Explanation:
No answer description is available. Let's discuss.