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From: "Bill Sloman"
Subject: Re: output impedance
Date: Fri, 8 Nov 2002 00:23:14 +0100
Organization: Planet Internet
NNTP-Posting-Date: 7 Nov 2002 23:23:17 GMT
X-Newsreader: Microsoft Outlook Express 6.00.2800.1106
"Reg Edwards" wrote in message
> > The impedance is in parallel with the current source, not in series.
> > up the Thevenin-Norton theorem.
> I have had 60 or more years of understanding electric circuits and have
> NEVER NEVER needed to refer to a "theorem". I have never even heard or
> long forgotten most of them or what they are about. Nothing beyond Ohm's
> Law has ever been of any use.
Sixty years of re-inventing the wheel. Theory is just other people's
experience, more or less neatly packaged so that academics can slot it into
student's mind without either of them having to do too much work.
I must say that all the chemistry theory I got pre-packaged from
undergraduate course proved just as difficult to put into practice as the
electronics I culled from the libarary and the journals on my own, but
exploiting other people's experience is a whole lot easier and quicker than
re-inventing the whole wheel.
Bill Sloman, Nijmegen
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