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As regards ferromagnetic Curie temperature Qf and paramagnetic curie temperature θ
Analysis of EM wave in waveguide based on
If a EM wave propagating in z direction then
The attenuation in waveguide above to cut off frequency
If a wave is propagated in free space, it will be in nature of
For iron, the ferromagnetic Curie temperature is
Phase velocity of waves propagating in a hollow metal waveguide is
VSWR can have any value between
If a electromagnetic signal is incident at 0° in a waveguide then at other port of waveguide we will get
Which one is correct option?
In free space
Which one is correct option?
In a waveguide if TE mode exist for z direction propagation, then
In paramagnetic materials
For free space propagation
If a and b are the dimensions of waveguide then
A waveguide behave as
A conductor is said to be perfect if it has __________ conductivity
When a magnetic circuit is compared with an electric circuit, the equivalent of the magnetic flux is
When a magnetic circuit is compared with an electric circuit, the equivalent of the magnetic flux is
The reflection coefficient is generally a
An open coil has
Material which lack permanent magnetic dipoles are known as
Alternating current can induce voltage because it has magnetic field which is
It is best to use for coupling a coaxial line to a parallel wire transmission line.
In waveguide Degenerate modes are
Select the correct relation
The unit of magnetic flux density is
The unit of displacement density is
Surface integral of the electric field intensity is
Laplacian of a scalar function V is
The equation ∇ . J = 0 is called
The boundary conditions at the interface between two dielectrics in an electric field are given by
Permeance is analogue to
Which of the following laws of electromagnetic theory is associated with the force experienced by two loops of a wire carrying currents?
Maxwell’s curl equation for the static electric field E can be expressed as
Maxwell’s divergence equation for the magnetic field is given as
Divergence of curl A is
Curl of gradient A is
The term __________ applies to troposcatter propagation
The charges between a hollow and solid metal spheres reside