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Rectangular waveguides dominate the circular waveguides. Find the reason.

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in Electromagnetic Theory by (188k points)
Rectangular waveguides dominate the circular waveguides. Find the reason.

(a) Low cut-off frequency

(b) Easy to design

(c) More wave propagation

(d) The statement is false

I have been asked this question in a job interview.

This intriguing question originated from Cylindrical Coordinate System topic in chapter Coordinate Systems and Transforms of Electromagnetic Theory

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Correct choice is (b) Easy to design

To explain I would say: Due to linear design, the desired dimensions can be easily constructed using rectangular waveguides than circular ones.

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