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Daily Practice Quiz 3: Electromagnetic Theory (App update required to attempt this test)
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Question 1
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 Question 2
Skin depth depends on
Question 3
An electromagnetic wave is travelling at an angle 
with respect to the Z-axis within a medium with dielectric permittivity 
and magnetic permeability 
. The magnetic field is given as 
=
Re
The wavelength (in meters) and
(in degrees) are respectively given by
with respect to the Z-axis within a medium with dielectric permittivity and magnetic permeability . The magnetic field is given as =Re The wavelength (in meters) and
(in degrees) are respectively given by Question 4
There is a 20% reduction in amplitude of a wave travelling through a lossy non-magnetic medium, per meter. The wave is operated at 20 MHz and the electric field leads the magnetic field by 25 degrees. What is the value of β?
Question 5
A dipole having 
is located at the origin in free space and aligned so that its moment is in the uzdirection. The E at point (r =1, 450 , 
) is
is located at the origin in free space and aligned so that its moment is in the uzdirection. The E at point (r =1, 450 , ) is Question 6
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
If the 20% of the energy in the incident wave is reflected at the boundary then ratio is- 314 attempts
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Apr 23ESE & GATE EC
