From: jeroen@nospam.please   
      
   On 2021-08-26 04:25, Tom Del Rosso wrote:   
   > Jeroen Belleman wrote:   
   >> Tom Del Rosso wrote:   
   >>> AIUI you use iron cores for low frequency and ferrite for high   
   >>> frequency because ferrite doesn't get magnetized, so why couldn't   
   >>> aluminum do the same?   
   >>   
   >> You *want* a transformer core to be easily magnetized! You don't   
   >> want it to *stay* magnetized when the current goes to zero.   
   >   
   > Of course that's what I meant. It has to conduct a magnetic field but it   
   > must not fight the induced field when it reverses.   
   >   
   > I asked about the behavior of ferrite vs aluminum.   
   >   
   >   
      
   The short answer is that aluminium is worse than nothing as a   
   transformer core. It *will* fight changing fields.   
      
   Jeroen Belleman   
      
   --- SoupGate-Win32 v1.05   
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