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GATE 2019: Electromagnetics Quiz 7

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Question 1

The magnetic field intensity vector of a plane wave propagating in a lossless medium is given by
= sin(2t+) A/m
The direction of rate of energy flow is in

Question 2

In good dielectrics, which of the following is the effect of a small amount of loss?

Question 3

A uniform plane wave in region 1 is normally incident on the planner boundary separating region 1 and 2. Both region are lossless and If the 20% of the energy in the incident wave is reflected at the boundary then ratio is

Question 4

A uniform plane wave propagating in free space is incident on a lossless dielectric) is totally transmitted. The angle of transmission is given by_______ degrees.

Question 5

A uniform plane wave in region 1 is normally incident on the planner boundary separating region 1 and 2. Both region are lossless and If the 20% of the energy in the incident wave is reflected at the boundary then ratio is

Question 6

The depth of penetration of electromagnetic wave in a medium having conductivity at a frequency of 1 MHz is 25 cm. The depth of penetration at a frequency of 4 MHz will be
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Oct 16ESE & GATE EC