If you want to know what is “real” there is a simple test. Remember, ANY coil can achieve resonance at the right frequency. Simply take a standard coil and put it next to a rotor. Run the motor turning that rotor and see amp draw and rpm. Put that coil under significant load so that the motor is affected...meaning it’s amp draw goes up and it’s rpm goes down. Measure output of the coil in volts and amps and input to the motor in volts and amps. Now put a variable capacitor in series with the coil and adjust it so that the motor neither speeds up nor slows down when the coil is put under load. Take all the same measurements. Then tell me what the truth is.
https://www.amazon.com/dp/B00EQI9K9O...D7MFMX3D82PT8K
Edit: If you cannot achieve resonance you may need to add a small capacitor. It depends on your coil size so hard to be specific.
https://www.amazon.com/dp/B00EQI9K9O...D7MFMX3D82PT8K
Edit: If you cannot achieve resonance you may need to add a small capacitor. It depends on your coil size so hard to be specific.
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