Q160 / 160 · TS EAMCET 2023 (12 May Shift 2) · Physics

The need for modulation is

  • A
    to increase the intensity of audio signal
  • B
    to decrease the intensity of audio signal
  • Correct answer
    C
    to transmit audio signal to large distances
  • D
    to increase the frequency of audio signal

Solution

(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.

Hence, the correct answer is option: 'C'.

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