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GATE 2025 EMT Quiz 39
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Question 1
Find the value of group velocity (in m/s) if angular frequency and phase constant are related by the equation 
when 
when Question 2
A 100 MHz plane wave in air is normally incident from air to a lossless medium (ϵr = 8, μr = 4). If the power carried by the wave in air is 10 W, then the power transmitted into the lossless medium is ________ W.
Question 3
A 200
rad/s uniform plane with electric field vector 
v/m is propagating in a lossless dielectric medium (
.If the wave enters free space normally at Z=0, the power density for Z>0 is given by
rad/s uniform plane with electric field vector v/m is propagating in a lossless dielectric medium (.If the wave enters free space normally at Z=0, the power density for Z>0 is given by Question 4
The electric field intensity of a plane wave traveling in free space is given by the following expression
In this field, consider a square area 10 cm x 10 cm on a plane x + y = 1. The total time-averaged power (in mW) passing through the square area is __________.
In this field, consider a square area 10 cm x 10 cm on a plane x + y = 1. The total time-averaged power (in mW) passing through the square area is __________.
Question 5
when a plane wave is incident normally from dielectric ‘1’(
onto ‘2’(
electric field of the transmitted wave is -2 times the electric field of the reflected wave
The ratio
is
onto ‘2’(electric field of the transmitted wave is -2 times the electric field of the reflected wave The ratio
is - 31 attempts
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