Re: Watt meters

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: Bart Anderson <classi6-at-classictesla-dot-com> 

True, but isn't it interesting how imaginary currents can blow things up 
<grin>.

Take care,
Bart

Tesla list wrote:

>Original poster: dave pierson <davep-at-quik-dot-com>
>Uhmmmmm
>The term 'imaginary current' is, in itself, somewhat imaginary.
>It is a concept, rather than an actual, measurable, current.
>
>Any Given Circuit has One (exactly) current in it.
>
>For SOME PURPOSES it is handy to _imagine_ this
>as two 'components' at 90 degrees (right angles), each with a
>magnitude determined by the circuit elements.  The wattmeters,
>etc, simply use mechanical placement of coils to do an
>'analog computation' that takes this into account.
>
>(OK: Its about a week's class time to explain properly...  which
>i can, at best, approach....)
>
>best
>dwp
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