A 3.25 m diameter university communications satellite dish receives TV signals that have a maximum electric field strength (for one channel) of 9.5 μV/m . Part (a)  What is the intensity of this wave in W/m2?  I =  Part (b)  What is the power received by the antenna in W?  P =  Part (c)  If the orbiting satellite broadcasts uniformly over an area of 1.50 × 1013 m2 (a large fraction of North America), how much power does it radiate in W?  P =

University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
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Chapter16: Electromagnetic Waves
Section: Chapter Questions
Problem 87P: A certain 60.0-Hz ac power line radiates an electromagnetic wave having a maximum electric field...
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A 3.25 m diameter university communications satellite dish receives TV signals that have a maximum electric field strength (for one channel) of 9.5 μV/m .

Part (a)  What is the intensity of this wave in W/m2? 

I =

 Part (b)  What is the power received by the antenna in W? 

P =

 Part (c)  If the orbiting satellite broadcasts uniformly over an area of 1.50 × 1013 m2 (a large fraction of North America), how much power does it radiate in W? 

P =

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