Evanavarijo5791 Evanavarijo5791

20-02-2024
Physics

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We measure the performance of a telephone line (4 kHz of bandwidth). When the signal is 10 V, the noise is 5 mV. What is the Signal-to-Noise Ratio (SNR)? (Caution: SNR is a ratio of power values.)

a) 40 dB
b) 30 dB
c) 50 dB
d) 20 dB
e) 60 dB

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