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GATE EC : Electromagnetics Champion Quiz 4
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Question 1
The electric field of a uniform plane electromagnetic wave is
The polarization of the wave is
The polarization of the wave is
Question 2
The electric field component of a time harmonic plane EM wave traveling in a nonmagnetic lossless dielectric medium has an amplitude of 1 V/m. If the relative permittivity of the medium is 4, the magnitude of the time-average power density vector (in W/m2) is
Question 3
The electric field component of a plane wave traveling in a lossless dielectric medium is given by 
V/m. The wavelength (in m) foe the wave is ___________.
V/m. The wavelength (in m) foe the wave is ___________.Question 4
The electric field of an electromagnetic wave propagating in the positive z direction is given by
The wave is
The wave is
Question 5
The continuity of the tangential field component at the interface of two media for normal incidence of a plane wave requires
Question 6
A plane wave propagating in the dielectric medium has an electric field given as Ex = E0Cos (2.6×1010t -100z). The phase velocity of plane wave is:
Question 7
A uniform plane wave in the free space is normally incident on an infinity thick dielectric slab (dielectric constant 
). The magnitude of the reflection coefficient is
). The magnitude of the reflection coefficient is Question 8
The electric field of a plan wave propagating in a lossless non-magnetic medium is given by the following expression
E (z, t) = ax 5cos (2π × 109 t + βz) +
The type of the polarization is
E (z, t) = ax 5cos (2π × 109 t + βz) +
The type of the polarization is
Question 9
A uniform plane wave traveling in air is incident on the plane boundary between air and another dielectric medium with 
. The reflection coefficient for the normal incidence, is
. The reflection coefficient for the normal incidence, is Question 10
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 __________.
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