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I'm working on coil resonance and s

I'm working on coil resonance and s

I'm working on coil resonance and s

I'm working on coil resonance and several theories have come up I don't know which might be right .one says that the mass of the two coils must be the same as the other the next says that a quarter wave primary to a full wave secondary will resonate to getther.and a third says that not only the coils must be exactly 1/4 to 1 but the length of the lead wires must be included in the coil lengths.? I know you can tune a set of coils by loading them like in a intermediate coil string tunning with adjustable cores inductively or capacitively but this is just the coils and there leads .any ideas ?.thinks Jim.

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