Asinusoidal wave on a transmission line is specified by voltage and current in phasor form:
v s(z) = v0 eαz jβ zand is (z) = i0eαz ejβz ejϕ
where v0 and i0 are both real.
(a) in which direction does this wave propagate and why?
(b) it is found that α = 0, z0 = 50 ω, and the wave velocity is vp = 2.5 x 10^8 m/s, with ω = 108 s−1. evaluate r, g, l, c, λ, and ϕ.

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