Re: R = V/I ?

[Jim Green <JMGreen@SISNA.COM>]

> I will touch on one idiom he uses (quoted above) that is not untypical of
> that used by electrical engineers: what a PHYS-L contributor might call
>  - on a bad day - the reification of power.
>
> Engineers  are indeed wont to assign values to the power of a device.
>  They know of course that power is a rate of transforming energy.
>  They talk of power dissipation when they know the concept they have
> in mind is energy dissipation.
>
>    I can almost hear Jim abjuring the phrase, "...the power received by a
> battery..."   I expect it would be a natural target for him, a usage quite
> comparable to 'heat' incautiously used, (though energy and heat are the
> analogous units.)
>
> Brian W

I dunno Brian, there seem to be only so many evils one can deal
with:  "transforming energy" and "energy dissipation"  are enough for this
day -- I will just ignore the idea of power as a fluid for now.

But thanks at least for mentioning it.

Jim Green
mailto:JMGreen@sisna.com
http://users.sisna.com/jmgreen