box"... The discussion was about electrolytic
capacitors. Of course
they have an insulator (the oxide on the aluminium foil anode) but they
also have an electrolyte (which is the cathode), and indeed wouldn't
I've met 'engineers' (who darn well should know better) who thought the
electrolyte was the dielectric (insulator) ! I think I've even seen this
in print somwehre (but I can't remember which useless book or magazine it
was in).
-tony