1 answer

1. To measure the phase velocity in a medium, especially if it is not vacuum, is...

Question:

1. To measure the phase velocity in a medium, especially if it is not vacuum, is rather

difficult. Instead, it is proposed to proceed as follows:

1. Generate an electric field intensity in the medium with permeability μ and

permittivity ε at some arbitrary frequency assuming that this is a plane wave.

Assume a lossless medium. Measure the amplitude of the electric field intensity

E.

2. Measure the amplitude of the magnetic flux density B, produced by the electric

field intensity

Now that you have E and B

Calculate the phase velocity in the medium


Answers

Solved....

Ammer : We knows By Maxwells Equasions JE 2B 11 and үх В = € ato st (3) * -3,4- o [from maxwells Equation] (3 x A) KA (3:) 4 A imon 7 X TP 3 rv ) é il weet 4 e (oxo) 2 ९ - => re -) X A (०= 0 UE 8²E St² D²E 111 => [ue do A 24 12) E = 0 --C Magnitude of Magnetic flux density produced by Electic field intensil Et(ти ? ( ме е v ) его лъ Calculate phase velocity affacing 8 (0) Eqr Vph . Juɛ 1 д€ = Tue Upw vph Гэм 6 да. - о vpk”, те — 1k

.

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