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1. |
If the directivity of a square corner receiving antenna is 20 and operating at a wavelength of 0.25m, the effective aperture of a square corner antenna is: |
A. | 0.4 m<sup>2</sup> |
B. | 0.2 m<sup>2</sup> |
C. | 0.1 m<sup>2</sup> |
D. | None of the mentioned |
Answer» B. 0.2 m<sup>2</sup> | |