Original poster: Ed Phillips <evp@xxxxxxxxxxx> Tesla list wrote:
All depends on which end you hook to which! Connect opposite ends of the "similarly wound spirals" and things will go well.Original poster: "K. C. Herrick" <kchdlh@xxxxxxx>Uh, oh... That is >very< counter-intuitive! But then, I learned that stuff >50 years ago. I'm going to check it out pronto with the 2 spirals I made up yesterday.KCH Tesla list wrote:Original poster: "David Thomson" <mailto:dwt@xxxxxxxxxxxx><dwt@xxxxxxxxxxxx> Hi Ken, > Is it not so that 2 oppositely-wound spirals adjacent to each > other will result in near-cancellation of the resultant flux? Actually, it is two similarly wound spirals adjacent to each other that near cancel the inductance. Oppositely wound flat spiral coils increase the inductance. Dave
Ed