In Search for the BEST Wireless Power Coil! (Experiment) My Coils can act like Capacitors?

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WARNING!: Do not replicate the experiment showcased in the video!

Previous video:    • A Box that can SAVE YOUR LIFE....and get y...  
Previous Wireless Power video:    • How far can I Wirelessly Transfer Power? (...  
Impedance video:    • Electronic Basics #37:  What is Impedance?...  

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In this video we will be having a closer look at my wireless power coils in order to optimize them. That means I will show you exactly how to measure the most important characteristics of any coil and how to turn these values into the coil quality which I should keep as big as possible for my wireless power transmission. Along the way we will learn about LCR meters, how coils act at higher frequencies and ultimately (maybe) create my best wireless power coil so far. Let's get started!

Websites which were shown/used in the video:
https://www.tek.com/document/applicat...
https://www.hioki.com/global/learning...
https://www.electronics-notes.com/art...
https://www.datatec.de/media/pdf/7c/4...
https://meettechniek.info/passive/ind...

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0:00 We need the Coil Quality!
1:22 Intro
2:08 High Frequency Inductor Problem
3:55 Real Coil Explained (LCR)
5:00 DIY Coil Measurements
7:33 DIY Coil Quality Analysis & New Test
8:21 New Litz Wire Coil
9:45 Final Test & Verdict