An electromagnetic wave propagating in seawater has an electric field with a time variation given by E
Question:
An electromagnetic wave propagating in seawater has an electric field with a time variation given by E = zE0 cost. If the permittivity of water is 810 and its conductivity is 4 (S/m), find the ratio of the magnitudes of the conduction current density to displacement current density at each of the following frequencies:
(a) 1 kHz,
(b) 1 MHz,
(c) 1 GHz,
(d) 100 GHz.
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From Eq 644 the displacement current density is given by d JdD t and ...View the full answer
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Density helps us predict whether something will float. Density is super important to consider when building things like ships and submarines. The experiment in the video examines the water density by comparing a glass of water containing sugar with a simple glass of water
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