Question: Sea water plays a vital role in the study of submarine communications. Assuming that for sea water, = 4 S/m, r = 80, r

Sea water plays a vital role in the study of submarine communications. Assuming that for sea water, σ = 4 S/m, εr = 80, μr = 1, and f = 100 MHz, calculate:

(a) The phase velocity,

(b) The wavelength,

(c) The skin depth,

(d) The intrinsic impedance.

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