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Which of the following shows the relationship between effective aperture and the antenna gain?

21. Which of the following shows the relationship between effective aperture and the antenna gain?

1. The effective aperture is inversely proportional to the antenna gain
2. The effective aperture is directly proportional to the antenna gain
3. The effective aperture and the antenna gain have no relation
4. None of the above

Answer: A) The effective aperture is inversely proportional to the antenna gain.

Explanation:

The effective aperture is inversely proportional to the antenna gain, i.e., the effective aperture increases when the antenna gain decreases.