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At a distance of 60.0km from a radio station antenna the electric-field amplitude is 8.70�10?2V/m Part B Assuming...

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Question

Physics

At a distance of 60.0km from a radio station antenna theelectric-field amplitude is 8.70�10?2V/m

Part B

Assuming that the antenna radiates equally in all directions(which is probably not the case), what is the total power output ofthe station? in W

Part C

At what distance from the antenna is the electric-fieldamplitude equal to half the value given? in km

Answer & Explanation Solved by verified expert
4.2 Ratings (528 Votes)
To resolve this prroblem you have to know about PoyntingvectorStep 1DefinitionPoynting vector Represents thedirectional energy flux density the rate of energy transfer perunit area of anelectromagnetic field    See Answer
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