Question: Q. 2. Explain the terms (i) Attenuation and (ii) Demodulation used in communication system.

R [Delhi I, II, III 2016]

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Solution:

Ans. (i) The loss of strength of a signal while propagating through a medium.

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(ii) The process of retrieval of information, from the modulated wave, at the receiver.

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[CBSE Marking Scheme, 2016]



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