XPost: sci.electronics.basics, sci.electronics.components, sci.e   
   ectronics.design   
   XPost: sci.electronics.repair   
   From: ham789@netzero.net   
      
   On 2/27/2013 12:09 PM, John Fields wrote:   
   > On Wed, 27 Feb 2013 16:17:04 -0000, "Ian Field"   
   > wrote:   
   >   
   >>   
   >>   
   >> "John Fields" wrote in message   
   >> news:mcbqi8t00ur6s6sk6kmuskjtkpg28fegtm@4ax.com...   
   >   
   >>> My request was about having you describe the dynamics of a   
   >>> light-bulb-in-series-with-a-battery current limiter which, no matter   
   >>> how loudly or how long you squeal excuses about why you can't, you   
   >>> can't, of course.   
   >>   
   >> The bulb trick isn't that great because of its pronounced PTC   
   >> characteristic - as the filament voltage decreases the current doesn't   
   >> decrease in due proportion.   
   >   
   > ---   
   > ???   
   >   
   > If a you want the current to change linearly with voltage, then a   
   > simple resistor will do the trick so, obviously, you don't understand   
   > how the bulb trick works.   
   > ---   
   >   
   >> I did try to dumb it down for you - I do hope I didn't use too many big   
   >> words for you!   
   >   
   > ---   
   > The words are no problem but it seems, for you, the theory _is_.   
   >   
   > Would you like me to explain how the bulb trick works in terms even   
   > you could understand?   
      
   I understand how the light bulb works, but I'm very interested in   
   hearing YOUR explanation.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   
|