MCQOPTIONS
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| 1. |
In a co axial line with inner and outer diameters of 0.0645 and 0.0215 inches and a Teflon di electric with ∈r=2.2. The highest usable frequency before the TE11 waveguide mode starts to propagate is: |
| A. | 16.8 GHz |
| B. | 117.7 GHz |
| C. | 15.3 GHz |
| D. | 8.4 GHz |
| Answer» B. 117.7 GHz | |