Waveguide
GATE Electronics & Communication · Electromagnetics - Waveguides · 1987-2026
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All concepts →The cutoff frequency (in GHz) for the dominant TE10 mode of an air-filled rectangular waveguide of inner dimension 0.28 inch × 0.14 inch is ____. (rounded off to two decimal places...
The dispersion equation of a waveguide, which relates the wavenumber k to the frequency $\omega$, is $k(\omega) = (1/c)\sqrt{\omega^2 - \omega_0^2}$ where the speed of light $c = 3...
An air-filled rectangular waveguide has inner dimensions of $$3\,cm\,\, \times \,\,2\,\,cm\,$$. The wave impedance of the $$T{E_{20}}$$ mode of propagation in the waveguide at a fr...
Which one of the following does represent the electric field lines for the $$T{E_{02}}$$ mode in the cross-section of a hollow rectangular metallic waveguide?
A rectangular metal wave guide filled with a dielectric material of relative permittivity $${\varepsilon _r} = \,4$$ has the inside dimensions $$3.0\,cm\,\, \times \,\,1.2\,cm$$. T...
The phase velocity of waves propagating in a hollow metal waveguide is
Assuming perfect conductors of a transmission line, pure TEM propagation is NOT possible in
A rectangular air-filled waveguide has a cross section of $$4\,cm\,\, \times \,\,10cm$$. The minimum frequency which can propagate in the waveguide is
In an air-filled rectangular waveguide, the vector electric field is given by $$\mathop E\limits^ \to = \cos \,(20\,\pi \,y)\,\exp \,\,\left[ { - j\left( {{{40\,\,\pi } \over 3}} \...
A rectangular hollow metal waveguide of internal cross-section of $$7.366\,\,cm\,\, \times \,\,3.556\,cm$$ carries a 3 GHz signal in the $$T{E_{10}}$$-mode. Calculate the maximum p...
Choose the correct statements. For a wave propagating in an air filled rectangular wave guide
For a normal mode EM wave propagating in a hollow rectangular wave guide
The cut-off frequency of a waveguide depends upon