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What is the cut-off frequency?
44. What is the cut-off frequency?
- The highest frequency at which a waveguide mode may propagate without being attenuated
- The lowest frequency at which a waveguide mode may propagate without being attenuated
Answer: B) The lowest frequency at which a waveguide mode may propagate without being attenuated.
Explanation:
Cut-off frequency is defined as the lowest frequency at which a waveguide mode may propagate without being attenuated.