XPost: sci.electronics.basics   
   From: rabbitsfriendsandrelations@hotmail.com   
      
   "Thomas G. Marshall" wrote:   
      
   > Hugely fundamentally ignorant question.   
   >   
   > If I have an electronics device that claims to take a power adapter of 12V   
   > 200mA, and I plug in one rated at 12V 800mA, will the device merely draw the   
   > proper 200mA (because the voltages are matched)?   
      
   Basically that's the idea.   
      
      
   > Or is there something about PA's that can somehow force too much current   
   > into a device?   
      
   See other posters' warnings about unregulated adaptors having a higher voltage   
   when only partially loaded.   
      
   Graham   
      
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