The electric field component of a uniform plane wave traveling in seawater ( = 4 S/m,
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The electric field component of a uniform plane wave traveling in seawater (σ = 4 S/m, ε = 81 εo, μ = μo ) is E = 8e–0.1z cos(ωt – 0.3z)ax V/m
(a) Determine the average power density.
(b) Find the depth at which the power density is reduced by 20 dB.
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