Communication System Question 13
Question: Audio signal cannot be transmitted because
Options:
A) The signal has more noise
B) The signal cannot be amplified for distance
C) Communication of the transmitting antennal length
D) All of these
Show Answer
Answer:
Correct Answer: D
Solution:
[d] Following are the problems which are faced while transmitting audio signals directly. (i) These signals are relatively of short range (ii) If everybody started transmitting these low frequency signals directly, mutual interference will render all of them ineffective (iii) Size of antenna required for their efficient radiation would be larger.
BETA
