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Physics NCERT Exemplar Solutions Class 12th Chapter FifteenCommunication SystemsClass 12thPhysics

A male voice after modulation-transmission sounds like that of a female to the receiver. The problem is due to
(a) Poor selection of modulation index (selected 0 < m <1)
(b) Poor bandwidth selection of amplifiers
(c) Poor selection of carrier frequency
(d) Loss of energy in transmission.

1 Views|Posted 10 months ago
Asked by Shiksha User
1 Answer
A
10 months ago

This is a Multiple Choice Questions as classified in NCERT Exemplar

Answer- b

Explanation- Here, in this question, the frequency of modulated signal received becomes more, which is possible with the poor bandwidth selection of amplifiers.

This happens because bandwidth in amplitude modulation is equal

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Physics NCERT Exemplar Solutions Class 12th Chapter Fifteen 2025

Physics NCERT Exemplar Solutions Class 12th Chapter Fifteen 2025

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