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# GATE 2023 Electromagnetics & transmission line Quiz 40

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Question 1

The forward wave is given by Vf = 40 sin (ax – 70°) and it strikes a medium and the reflection coefficient is given by G = 0.6 –20°.

The wave that is reflected back from the medium is :

Question 2

In a free space (z < 0) a plane wave with Hi = 10cos(108t – βz) ax A/m is incident normally on a lossless medium (t = 2ϵo, µ =8µo) in region z > o.  Determine the reflected wave Hr.

Question 3

A right-hand circularly polarized plane wave represented by the Phasor E(z)= impinges normally on a perfectly conducting wall at z=0. The induced current on the conducting wall is

Question 4

A plane wave in free space (z <= 0) is incidentally normally on a large block material (μr = 3, ϭ = 0, Ɛr = 12) which occupies z > 0. If the incident electric field is E = 10 cos(ωt-z) uy V/m, then reflected magnetic field is

Question 5

Two media 1 and 2 are separated by x-y plane. Medium 1(z > 0, ) has electric field V/m. what will be the electric field in medium 2 (z < 0, ).

Question 6

An Elliptically polarised wave travelling in the positive Z-direction in air has x and y component :  If the characteristic impedance of air is 360 ,then the average per unit area conveyed by the wave is: -
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