Einstein
Temporal Engineer
@Harte So Hartey when you said, "there is absolutely no need for a core in any coil in a circuit other than it being for a solenoid or an electromagnet", you obviously made an error, such as in the case of the Caduceus coil that you yourself posted on here that is, according to you, neither a solenoid, or an electromagnet....Also that very same coil clearly had a specific "core" which was the ferrite rod as shown in the picture, and not a piece of cardboard being used, simply to support the coil......Dont try to wriggle out of your mistake
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However i did have reservations about the validity of that Caduceus coil, when the author stated that the current "just disappeared"...So there we now have an AC electrical supply without a current, but would magnetic fields be created without a current?...Perhaps our friend Einstein can help us out here please?@Einstein
When the author mentioned "impedance" it suggested to me that AC was being used in that circuit, which i believe was also Tesla`s favoured type of electricity, other than DC.....
I have never done any experiments with Caduceus coils. Although there are many configurations to experiment with. So there is no way to tell if the info on them is bogus or not without duplicating the authors setup.