A 1 mW video signal having a bandwidth of 100 MHz is transmitted to a receiver through a cable that has 40 dB loss. If the effective one-sided noise spectral density at the receiver is 10-20 Watt/Hz, then the signal-to-noise ratio at the receiver is
A. 50 dB
B. 30 dB
C. 40 dB
D. 60 dB
Answer: Option A
This Question Belongs to Electronics And Communications Engineering >> Communication Systems
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