XPost: sci.electronics.basics   
   From: dhky@shaw.ca   
      
   "John Fields"  wrote in message   
   news:d47bh3t7tkju4cgcvfalsllvbq89pnieun@4ax.com...   
   > On Mon, 15 Oct 2007 13:59:42 GMT, "Thomas G. Marshall"   
   >  wrote:   
   >   
   >>   
   >>Fundamental questions.   
   >>   
   >>Given:   
   >>   
   >>If I wire two 3V 1mA batteries in parallel, the result is 3V 2mA.   
   >   
   > ---   
   > No, it isn't.   
   > ---   
   >   
   >>If I wire two 3V 1mA batteries in series, the result is 6V 1mA.   
   >   
   > ---   
   > No, it isn't.   
   > ---   
   >   
   >>BUT:   
   >>   
   >>1. What happens if I wire the following in parallel:   
   >>   
   >>        3V 1mA   
   >>        6V 1mA   
   >   
   > ---   
   > The 6V battery will discharge into the 3V battery until there is no   
   > voltage difference between the batteries.   
   > ---   
   >   
   >   
   >>2. And similarly, the following in series:   
   >>   
   >>        3V 1mA   
   >>        3V 2mA   
   >   
   > ---   
   > Nothing.   
   > ---   
   >   
   >>Does #1 above average the voltage to 4.5V?   
   >   
   > ---   
   > No.   
   > ---   
   >   
   >>Does #2 above average the current to 1.5mA?   
   >   
   > ---   
   > No.  There will be no current until a load is attached.   
   > ---   
   >   
   >   
   >>Thanks!   
   >   
   >   
   >>--   
   >>It's time for everyone to just step back, take a deep breath, relax, and   
   >>stop throwing hissy fits over crossposting.   
   >   
   > ---   
   > Fuck you.   
   >   
   > Since when are you the moderator here who can tell _everyone_ what   
   > to do?  Just ask your stupid questions, wait for your answers, and   
   > then just go away instead of trying to run the show.   
   >   
   >   
   > --   
   > JF   
      
   What was your reason for your last comment? Is there something I missed? You   
   had given good answers 'til then. Possibly his comments were aimed at Phil   
   who was playing jackass - if so you missed the target.   
   --   
      
   Don Kelly dhky@shawcross.ca   
   remove the X to answer   
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