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Which of the following statement regarding waveguides is incorrect? | |
A. | At waveguide can be coupled to a coaxial cable [Correct Answer] |
B. | At frequencies below the cut off value the wave progresses across the waveguide after total reflections [Wrong Answer] |
C. | Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves [Wrong Answer] |
D. | Waveguides can handle large power at UHF and microwaves [Wrong Answer] |