Question: A telephone line has the following parameters: R = 40 /m, G = 400S/m, L = 0.2H/m, C = 0.5nF/m (a) If the line operates

A telephone line has the following parameters:
R = 40 Ω/m, G = 400μS/m, L = 0.2μH/m, C = 0.5nF/m
(a) If the line operates at 10 MHz, calculate the characteristic impedance Zo and velocity u.
(b) After how many meters will the voltage drop by 30 dB in the line?

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