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Old December 5th 03, 12:01 AM
Richard Clark
 
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On Thu, 04 Dec 2003 15:11:29 -0800, Jim Kelley
wrote:
I find the fact that it can to be very
interesting, and I wanted to understand just how it could be so.


Hi Jim,

It is simply that Kirchhoff's laws have been corrupted in discussion.
The Kirchhoff law of current relates to the flow into and out of "a
closed surface" or a point (where any number of components' common
leads come together) and not to the components themselves (as they
have been incorrectly injected as argument). The corruption is found
in that the current law has been expressed in the language of
Kirchhoff's voltage law by nearly EVERY correspondent.

EZNEC treats loads as lumps, lumps are the metaphor for the "closed
surface" or a point. EZNEC conforms to Kirchhoff's current law, but
not the physical reality simply because in nature a load cannot
exhibit its characteristic within a point (there are no infinitesimal
capacitors or inductors). Hence a protocol was offered to decimate
the inductor and spread its characteristic across the apparent
physical space to achieve the same, virtual response of a true
inductor immersed in reality.

The result of the protocol exhibits roughly the same characteristics
offered by ON4UN's drawings (which are also approximations
themselves).

73's
Richard Clark, KB7QHC
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