McqMate
| Q. |
When an antenna radiates more energy in one direction than in other directions, it is called |
| A. | selectivity |
| B. | directivity |
| C. | active antenna |
| D. | resonance |
| Answer» B. directivity | |
| Explanation: when an antenna radiates more energy in one direction than in other directions is called directivity. an antenna that radiates equally in all directions has effectively zero directionality, and the directivity of this type of antenna should be 1 (or 0db). | |
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