MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the directivity of antenna having effective aperture 1 m2? |
| A. | ( frac{4 pi}{ lambda^2} ) |
| B. | ( frac{ lambda^2}{4 pi} ) |
| C. | 1 |
| D. | 4 |
| Answer» B. ( frac{ lambda^2}{4 pi} ) | |