Teaching TN TRB EC Mock Test Electromagnetic Theory Waveguides and Guided Waves Rectangular Waveguide
A waveguide with dimensions a = 1 cm, b = 0.7 cm is to be used at 20 GHz. The wave impedance for the dominant mode when the guide is filled with a material with ϵr = 2.25 is
1
570 Ω
2
290 Ω
3
855 Ω
4
253 Ω