A rectangular waveguide having TE10 mode as dominant mode is having a cut off frequency 18GHz for the mode TE30. The inner broad-wall  dimension of the waveguide is

Options:

(a) 5/3cm

(b) 5cm

(c) 5/2cm

(d) 10cm

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1 Answers

(c) The inner broad-wall  dimension of the waveguide is  5/2cm.

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