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Identify the limitation of amplitude modification.

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in Physics – Class 12 by (135k points)
Identify the limitation of amplitude modification.

(a) The quality of the audio signal is high

(b) Amplitude modulation suffers from noise

(c) The efficiency of AM transmission is high

(d) It does not require a wider channel

The question was posed to me during an online interview.

This intriguing question originated from Communication Systems topic in section Communication Systems of Physics – Class 12

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The correct answer is (b) Amplitude modulation suffers from noise

Explanation: Amplitude modification suffers from noise, the quality of the audio signal is poor, and also the efficiency of the amplitude modification transmission is low. The other statements are not valid.

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