MadSci Network: Engineering

Subject: Antenna and equal but opposite curents?

Date: Tue Nov 3 23:50:38 1998
Posted by David Taylor
Grade level: undergrad
School: none
City: Murphysboro State/Province: IL
Country: US
Area of science: Engineering
ID: 910158638.Eg

How is it that an antenna transmits.  To get current to the antenna,
an equal but opposite current must flow back down the antenna?
Is this so?  Or is the current pulsed in some way and then slowly
drained back down the antenna?  Or does it have to do with the 
wavelength of the signal and the seperation of current paths?
Or is there such a thing as a current absorber?

I really would like to know!

Re: Antenna and equal but opposite curents?

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