Amps
[Top] [All Lists]

[Amps] Another L measurement of 2" Cu strap

To: <amps@contesting.com>
Subject: [Amps] Another L measurement of 2" Cu strap
From: 2@mail.vcnet.com (Richard)
Date: Fri, 5 Apr 2002 13:24:39 -0800
>         Once the wire is not straight then everything changes.

?  agreed

>If you insert a capacitor between the ends you do have a loop.
>The current flowing thru the capacitor produces a magnetic field as well.
>         And the voltage induced in the loop, so called back EMF, is 
>proportional to  the rate of change of the magnetic field traveling 
perpendicular to he
>surface formed by the loop. One of Maxwell's, the equations.
>It is this EMF formed in the loop generated by the changing magnetic field
>generated by the current in the loop that creates this self inductance.

?  Well put.

>         Speaking of capacitors, trying to find out if a magnetic field was
>created in the virtual current within a dielectric of a capacitor led
>Hertz to discover electro-magentic radiation in the form of radio
>waves.
>
?  yea, verily.  I use a Hertz antenna on 40m.  Feed Z is a couple of 
k-ohms.  I match it to 50-ohms with an L-network.  
> ...

cheers

-  R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, 
www.vcnet.com/measures.  
end


<Prev in Thread] Current Thread [Next in Thread>