Question: A waveguide filled with a material whose r = 2:25 has dimensions a = 2 cm and b = 1:4 cm. If the guide is

A waveguide filled with a material whose r = 2:25 has dimensions a = 2 cm and b = 1:4 cm. If the guide is to transmit 10.5-GHz signals, what possible modes can be used for the transmission?

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