"Richard" wrote in message
m...
On 4/2/2013 2:19 PM, Cydrome Leader wrote:

With conductors you just add an electron on one end and another
comes out
the other end, you don't have to "fill" the wire first- you don't
have to
charge up a wire to get it going, like with a garden hose.

But if you don't "charge up the wire" how does the electron that
goes in have a place to go in???

You do have to charge up the capacitance between the wire and the rest
of the universe. It usually isn't enough to notice except for coaxial
cable, which is around 30pF per foot.
http://www.microwaves101.com/encyclopedia/z0.cfm
jsw