Posted by **taryn** on Sunday, April 7, 2013 at 8:03pm.

A 2.10 m diameter university communications satellite dish receives TV signals that have a maximum electric field strength (for one channel) of 7.90 µV/m.

(a) What is the intensity of this wave?

W/m2?

(b) What is the power received by the antenna?

W?

(c) If the orbiting satellite broadcasts uniformly over an area of 1.50 x 10^13 m2 (a large fraction of North America), how much power does it radiate?

W?

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