On Sat, 7 Jan 2006, Gerhard Fiedler wrote:

> Wouter van Ooijen wrote:
>
>>>> In the area of EE I would like to show the operation of various circuit
>>>> components.  Any suggestions on (free) visual circuit simulation ?
>>>>
>>> Water pipe analogies are pretty good, except for inductors...
>>
>> Have you ever heared of 'water bang'?
>
> A paddle wheel (an ideal one of course :) with a mass at its axle should
> make a nice inductor.

Any long pipe with negligible friction acts like an inductor. It can be 
open-ended or gas-capped.

Peter
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