[Boatanchors] Why L?

Tue, 15 Oct 2002 19:03:52 -0400

And I just learned this morning where the term "a cup of Joe" came from. Does
anyone here know? No fair using a reference book!	

Duane W8DBF	

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From: Gerald Steffens <[email protected]>
To: [email protected]
Subject: RE: [Boatanchors] Why L?
Date: Tuesday, October 15, 2002 6:52 PM

Back in engineering school approaching 40 years ago, the discussion was
that indeed L came about because of flux linkages.  Since L=N*(change in
flux with respect to current) and N*flux is flux linkages, hence L or
simply Linkages, where N = number of turns.

The theory that was the strongest second was that Lenz's law (induced
voltage = -L*(di/dt) or -L times the differential of current with
respect to time or the rate of change of current) may have been
involved.  Somebody wanted to honor Mr. Lenz.  Nobody bought this one!

Gerry

Collecting & Restoring since 1959
Gerald Steffens P.E.
Rochester, MN 

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