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3D,
In your experiments be aware that everything in the E-Field core area is subject to charge separation. If you find that your arrangement does not appear to resonate, you will need to apply a bias voltage to the capacitance to provide a potential difference between L and C that will then create a resonant condition. The bias voltage used should be equal to the V/turn of the primary. Then, the first half cycle of resonance should approach ground or zero volts as much as possible. To keep a periodic resonance going with successive cycles, the voltage across C must be reset to zero potential at the end of each half cycle.
Pm
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