GATE EC 2014 Set 3 — Question 34
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Electromagnetics → Waveguides & Optical Fibers → Cutoff Frequency & Guide Wavelength
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Question
Consider an air filled rectangular waveguide with a cross-section of . For this waveguide, the cut-off frequency (in MHz) of mode is _________.
Correct answer
7750 to 7850
Solution
The cut-off frequency for the mode in a rectangular waveguide of dimensions is given by:For an air-filled waveguide, the velocity of light m/s.Given:
- Dimensions: ,
- Mode:
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