GATE EC 2022: EMFT Quiz 7

For a WR 90 waveguide, the cut-off frequency for TE₂₀ mode is 16 GHz. Then the cut-off frequency for TE₁₁ mode will be

The magnetic field along the propagation direction inside a rectangular waveguide with the cross section shown in the figure is H_z = 3 cos  cos  cos

The phase velocity v_p of the wave inside the waveguide satisfies

An air filled rectangular wave guide is operating at 4 GHz with TE₁₀ mode propagating inside it. If the wave length of guided waveguide is 12.25 cm then the wave impedance of the mode is given by ( in Ω)

An air filled rectangular wave guide is operating at 4 GHz with TE₁₀ mode propagating inside it. If the wave length of guided waveguide is 12.25 cm then the wave impedance of the mode is given by ( in Ω)

For 10×5 cm² rectangular waveguide find maximum peak magnetic field (in mA/m), if maximum peak electric field for dominant mode at 2 GHz is 10 V/m

In an air-filled rectangular waveguide with a=2.286cm and b=1.016cm , the y-component of the TE mode is given by

Then the intrinsic impedance (in Ω) is