MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the progressive phase excitation of an end-fire array with element spacing /4 at =180 ? |
| A. | ( frac{ }{2} ) |
| B. | (- frac{ }{2} ) |
| C. | |
| D. | ( frac{ }{4} ) |
| Answer» B. (- frac{ }{2} ) | |