ECE :: Microwave Communication
-
In which of the following devices can the operation be visualised in terms of a series feedback loops?
-
The first and second subscripts in models of circular waveguides depict
-
In which mode of circular waveguide does the attenuation continuously decrease as frequency is increased?
-
In which mode of rectangular waveguide are all field components zero?
-
A microstrip line has dielectric having relative permittivity ∈r. The effective dielectric constant is
-
The rotation of direction of E field of a linearly polarized wave passing through a magnetised ferric medium is called
-
If air pressure in a rectangular waveguide is increased the maximum power handling capacity
-
A square waveguide carries TE11 mode whose axial magnetic field is given by Hz = H0
, where the guide dimensions are in cms. The cut off frequency of the mode is -
For air filled circular waveguides
Whatsapp
Facebook
|
A.
the number of full sine wave variations in circumference in direction and Bessel function variations in radial direction respectively
|
|
B.
the Bessel function variations in radial direction and the number of full sine wave variations in circumference direction respectively
|
|
C.
the Bessel function variations in circumference direction and number of full sine wave variations in radial direction respectively
|
|
D.
none of the above
|