TS EAMCET · Physics · Communication System
The need for modulation is
- A to increase the intensity of audio signal
- B to decrease the intensity of audio signal
- C to transmit audio signal to large distances
- D to increase the frequency of audio signal
Answer & Solution
Correct Answer
(C) to transmit audio signal to large distances
Step-by-step Solution
Detailed explanation
(c) Modulation is needed to increase the strength of the audio signal so that it can reach to larger distances: Hence option (3) is correct answer.
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