Question

The cut off frequency for waveguide operation is (a) 2 MHz (b) 6 GHz (c) 4 MHz (d) 6 MHz I have been asked this question in unit test. This question is from Types of Transmission Lines topic in division Transmission Lines of Electromagnetic Theory Select the correct answer from above options Electromagnetic Theory questions and answers, Electromagnetic Theory questions pdf, Electromagnetic Theory question bank, Electromagnetic Theory questions and answers pdf, mcq on Electromagnetic Theory pdf,electromagnetic theory book pdf,electromagnetic theory pdf notes,electromagnetic theory lecture notes,electromagnetic theory of light,maxwell electromagnetic theory,electromagnetic theory proposed by,electromagnetic theory engineering physics,electromagnetic theory nptel

Answer 1

Correct option is (b) 6 GHz The best I can explain: The waveguides should be operated above the cut off frequency of 6 GHz. This will lead to effective power transmission. At a frequency below this, will lead to attenuation.