# A square waveguide operates at 4.5 GHz in the dominant mode. If the group velocity is determined to be 1.8 x 10 8 m/s, calculate the largest dimension of the waveguide. Assume that the waveguide is filled with oil ( = 2.2 o ).

Chapter 12, Problems #25

A square waveguide operates at 4.5 GHz in the dominant mode. If the group velocity is determined to be 1.8 x 10^{8 }m/s, calculate the largest dimension of the waveguide. Assume that the waveguide is filled with oil (ε = 2.2ε_{o}).

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