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Electronics and Communication Engineering - Communication Systems

Exercise : Communication Systems - Section 24
21.
Skip distance depends on time of day and angle of incidence.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
In practical commercial FM system, channel bandwidth is
150 kHz
100 kHz
88 MHz
108 MHz
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
In EM waves, polarization
is always vertical in an isotropic medium
is caused by reflection
is due to transverse nature of waves
results from longitudinal nature of waves
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
The maximum power output of a standard A earth station over the total band allocated to satellite communication is about
0.5 kW
8 kW
20 kW
50 kW
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
PAM stands for
Pulse Analogue Modulation
Phase Analogue Modulation
Pulse Amplitude Modulation
Phase Amplitude Modulation
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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