Re: disk brake debate - summary II


jim beam wrote:
> Joe Riel wrote:
> > jim beam <nospam@xxxxxxxxxxx> writes:
> >
> >
> >>>BTW, I knew a dean of engineering who was famous for saying "There
> >>>are
> >>>only three basic princples in engineering: F = m * a, E = i * R ,
> >>>and you can't push a rope."
> >>
> >>don't you mean V=I.R?
> >
> >
> > "E" was once commonly used as a symbol for electrical potential. It
> > may make more sense than using "V", which (also) stands for the units
> > (volts) of the potential.
> >
> > Joe
>
> it still is, but only in the context of batteries & the like [where it
> stands for "EMF"]. i've been an amateur electronic hobbyist for 33
> years and i've /never/ seen ohm's law written as "E=iR", always V=IR.

Q. E. D.

- Frank Krygowski

.

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