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Attenuation is

$\begin{array}{1 1}(a)\;\text{Loss of strength of signals during propagation}\\(b)\; \text{Modulation of the signal}\\(c)\;\text{Demodulation of the signal}\\(d)\;\text{Amplification of the signal}\end{array}$

1 Answer

Attenuation is loss of strength of signal while propagating through the medium.
Hence (a) is the correct answer.
answered Mar 17, 2014 by sreemathi.v