Re: coil gauge
- From: "Ken O" <lera@xxxxxxxxx>
- Date: Sun, 16 Jul 2006 16:44:44 -0400
"John Fields" <jfields@xxxxxxxxxxxxxxxxxxxxx> wrote in message
news:mttkb2l4kq3adjmuu8odmev1b2bsgalrs4@xxxxxxxxxx
On Sun, 16 Jul 2006 11:45:59 -0400, "Ken O" <lera@xxxxxxxxx> wrote:
HI again,
I read on the internet that depnding on the gaude size lets 18, it will
take
more amp to generate the same EM strenght as with a 30 gauge. considering
there are the same weight of magnet wire to do the coil.
I am not finding much information on this ( different gauge size Vs
coil )
on the internet.
---
The strength of the magnetic field will be determined by the number
of turns and the current in them, (Ampere-Turns) so the larger the
diameter of the wire, the fewer turns you'll be able to wind on a
given core and the more current you'll have to force through them in
order to equal the ampere-turns of a coil wound on the same core
with smaller diameter wire.
Hi John,
Let me rephrase what i am trying to ask.
The Magnetic field is H =N * I / L where N is the number of turn, I =
current, L= lenght
So, if I am making a coil and only have an inch of space to put my coil. I
can use 18 Gauge or 30 gauge. I can wound 50 turns with the 18 Gauge and
100 turn with the 30 gauge.
The smaller the wire, the less current I can put, but the more turn the more
magnetic field I am creating. So basically I see that either way, I will end
up with the same magnetic field. Therefore, just fill up the space with
either gauge wire, I'll get the same weight, and by putting the maximum
current capacity of the wire I get he same magnetic field. ???
Ken
.
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