From: whit3rd@gmail.com   
      
   On Tuesday, February 12, 2019 at 3:17:53 PM UTC-8, RichD wrote:   
   > On February 12, Phil Hobbs wrote:   
      
   > > A 1-cm radius isolated sphere has a self-capacitance of 1 cm (Gaussian   
   > > units), which is about 1.12 pF.   
   >   
   > Well, I have in mind your basic two plate capacitor.   
   > I don't recall self-capacitance -   
      
   Self-capacitance is the capacitance of an object with respect to ground, when   
   it is   
   in a large grounded box.   An infinite box, ideally.   
      
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