engineering recuitment GATE ECE 2023-24 Test Series Electromagnetic Theory Waveguides and Guided Waves Rectangular Waveguide
In a rectangular waveguide for which
a = 1.5 cm, b = 0.8 cm, σ = 0, μ = μ0, and ϵ = 4ϵ0
\({H_x} = 2\sin \left( {\frac{{\pi x}}{a}} \right)\cos \left( {\frac{{3\pi y}}{b}} \right)\sin \left( {\pi \times {{10}^{11}t} - \beta z} \right)\frac{A}{m} \)
The cut off frequency is
1
28.57 GHz
2
57.13 GHz
3
353.8 MHz
4
176.9 MHz