MCQOPTIONS
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MCQOPTIONS
| 1. |
To ensure that only dominant TE₁₀ mode propagates in a rectangular waveguide, the operating frequency |
| A. | must be more than cutoff frequency of TE₁₀ mode |
| B. | must be less than cutoff frequency of TE₂₀ mode |
| C. | must be more than cutoff frequency of TE₁₀ mode and less than cutoff frequency of TE₂₀ mode |
| D. | must be less than cutoff frequency of TE₁₀ mode |
| Answer» D. must be less than cutoff frequency of TE₁₀ mode | |