| Topic: |
Science > Physics |
| User: |
"Domi" |
| Date: |
16 Sep 2006 05:22:24 PM |
| Object: |
Force akcting on an antenna? |
Helo
Easy question:
If we have electromagnetic wave nad the recieving it antenna (in which
current is genereted), is there a force, like in situation, where we
have simple lead with current and a field B (from magnes, or
something)? If yes, may I count it by: F = B i L? (F,B and i is depend
on time)
thanks :-)
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| User: "Sue..." |
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| Title: Re: Force akcting on an antenna? |
16 Sep 2006 05:57:32 PM |
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Domi wrote:
Helo
Easy question:
If we have electromagnetic wave nad the recieving it antenna (in which
current is genereted), is there a force, like in situation, where we
have simple lead with current and a field B (from magnes, or
something)? If yes, may I count it by: F = B i L? (F,B and i is depend
on time)
thanks :-)
Indeed there are forces but the ways they are distibuted are
as numerous as all the shapes and locations that you can
imagine. It is a highly complex field of study on its own.
Only the highest power transmitting antenna need
even consider the forces with regard to structural
stresses.
That is of course after the initial force applied to some
structures to move them from a horizontal to a vertical
position. :o)
Sue...
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