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From: "Tarver Engineering"
References: <firstname.lastname@example.org> <email@example.com> <firstname.lastname@example.org> <email@example.com>
Subject: Re: (Avionics) How can this circuit produce an "inductive surge"?
Date: Fri, 27 Sep 2002 08:10:50 -0700
X-Newsreader: Microsoft Outlook Express 6.00.2600.0000
"John Woodgate" wrote in message
> I read in sci.electronics.design that Tarver Engineering
> wrote (in <firstname.lastname@example.org>) about
> '(Avionics) How can this circuit produce an "inductive surge"?', on Thu,
> 26 Sep 2002:
> >> How much of a collapsing field would it take to generate say 20V
> >> across say 6" of wire?
> Not much, if it collapses quickly enough. Use Faraday's induction law:
> f -d ff
> O e dl = -- || B dA
> j dt jj
> I always wanted to try to do that in ASCII!
> Details of the calculation are left as an exercise for the student.
More problematic is only 0.6 to 1.2 volts on the ground above Vcc are
required to turn electroniscs into smoke.
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