From: look165@numericable.fr   
      
   A first approach :   
   µ0*N^^2*S/L.   
   Parasistic elements are uncomputable.   
      
      
   Peter Percival a écrit le 20/08/2019 à 16:07 :   
   > Somewhere there must be a formula for the inductance of a hand-wound   
   > coil.   
   >   
   > Air core, one layer of wire (of given swg) close-wound, diameter of   
   > former (cardboard, probably inside of toilet paper roll), length of   
   > coil,... (what else?), therefore inductance equals ...   
      
   --- SoupGate-Win32 v1.05   
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