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
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. |
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