Question Pool -- Category G0C
If the free-space far-field power density of a 18-MHz Yagi antenna
measures 10 milliwatts per square meter at a distance of 3
wavelengths, what will it measure at a distance of 6 wavelengths?
-
A.
- 11 milliwatts per square meter
-
B.
- 5.0 milliwatts per square meter
-
C.
- 3.3 milliwatts per square meter
-
D.
- 2.5 milliwatts per square meter
Answer is D.
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