Time Left - 15:00 mins
GATE EC 2020: Electromagnetic Theory Quiz 10
Attempt now to get your rank among 275 students!
Question 1
The modes in a rectangular waveguide are denoted by TEmn/TMmn where m and n are the eigen numbers along the larger and smaller dimensions of the waveguide respectively. Which one of the following statements is TRUE?
Question 2
A rectangular waveguide of internal dimensions (a = 4 cm and b = 3) is to be operated TE11 mode. The minimum operating frequency is
Question 3
The longitudinal component of the magnetic field inside an air-filled rectangular waveguide made of a perfect electric conductor is given by the following expression
(A/m)
The cross-sectional dimensions of the waveguide are given as a = 0.08 m and b = 0.033 m. The mode of propagation inside the waveguide is
(A/m)
The cross-sectional dimensions of the waveguide are given as a = 0.08 m and b = 0.033 m. The mode of propagation inside the waveguide is
Question 4
A rectangular waveguide having TE10 mode as dominant mode is having a cutoff frequency of 18-GHz for the TE30 mode. The inner broad-wall dimension of the rectangular waveguide is:
Question 5
A rectangular metal wave–guide filled with a dielectric material of relative permittivity has the inside dimensions . The cut–off frequency for the dominant mode is
Question 6
A circular waveguide carries mode whose radial electric –field is given by
Where r is radial distance in cm from the waveguide axis
Cut off wavelength of this mode is
Where r is radial distance in cm from the waveguide axis
Cut off wavelength of this mode is
- 275 attempts
- 3 upvotes
- 4 comments
Nov 1ESE & GATE EC