## PSN-L Email List Message

Subject: Re: How many volts ?
From: "Geoffrey" gmvoeth@...........
Date: Wed, 13 Jun 2007 07:46:37 -0700

```You are talking BEEP School, But its more like
2 turns = 2X V and 4 turns is 4X V or something
along those lines.
Im talking Transformer design and not this stuff.
But P=I^2R would tell you the copper losses
and for max power transfer the Z in must equal the Z out.

----- Original Message -----
To:
Sent: Tuesday, June 12, 2007 21:53
Subject: Re: How many volts ?

>E = I x R
>
> E = volts
> I = current (Amps)
> R = resistance (Ohms)
>
> There may be a reactance phase shift from the coil/magnet that may or
> may not need to be taken into account.
>
> Hope that helps.
>
> On Tue, 2007-06-12 at 03:18 -0700, Geoffrey wrote:
>> There are formulas for figuring out voltages and turns
>> and magnetic fields such as design formulas for
>> transformers since most power today is AC.
>> But it has been so terribly long ago that I ever
>> did such things I can no longer tell the technical detales.
>> Plain Old Physics should have an ideal kind of law
>> but give you an excellent idea of what to expect.
>> The internet is the best place to start looking
>> but out there is some mathematician/physicist that would love
>> to share his knowledge with you.
>> Possibly an old Electronics book that deals with such things
>> as designed for understanding by a layman/noobe.
>> Mathematicians must account for all units etc. but i think
>> for a laymen experimentation and curve tracing can
>> give you good results so long as the goes ins and outs
>> are close enough for government work.
>> Simply matching a math curve to the data points found
>> so you put in the known to get the unknown without
>> knowing what goes on in the middle.
>> Magic Numbers and stuff.
>> (I just wish i knew a few myself)
>>
>>
>> ----- Original Message -----
>> From: "Jón Frímann"
>> To: "PSN-Postlist"
>> Sent: Monday, June 11, 2007 05:25
>> Subject: How many volts ?
>>
>>
>> Hi all
>>
>> I got a coil and magnet from Larry today and I was wondering what the
>> voltage level of the coil is. But the coil is 9000 ohms.
>
>
> --
>
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