prettymuslim5846 prettymuslim5846

20-03-2024
Physics

contestada

Say you wanted to transmit 3 GHz signals between the earth and the moon, 384400 km away. If you use a parabolic directional antenna with a 70 dB gain on both the earth and the moon, what is the amount
A) 0.122 mW
B) 1.22 mW
C) 12.2 mW
D) 122 mW

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