Electronics and Communication Engineering - Communication Systems

6.
As EM waves travel in free space they get
reflected
refracted
attenuated
absorbed
Answer: Option
Explanation:
No answer description is available. Let's discuss.

7.
Cross talk is due to reception of portions of a signal from one channel into another.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

8.
If there are M equally likely and independent messages and M = 2N where N is an integer, the information in each message is equal to
N bits
0.5 N bits
2 N bits
4 N bits
Answer: Option
Explanation:
No answer description is available. Let's discuss.

9.
A radar beacon is a small radar set having a receiver, a separate transmitter and an antenna.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

10.
In the above case the total power in the modulated wave double sideband, suppressed carrier AM will be
112 W
400 W
415 W
512 W
Answer: Option
Explanation:
No answer description is available. Let's discuss.