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electronics and communication engineering communication systems
1. For a system to be designated as hi-fi, the signal to noise ratio should be at least
(A): 100 dB
(B): 25 dB
(C): 50 dB
(D): 75 dB
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By: guest on 01 Jun 2017 11.49 pm
Hi-Fi system has a ratio at least equal to 50 dB.
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