Unfortunately inductance is usually not a friend in these ... I briefly light up a nixie tube with a big ‘ole coil and a 9V battery. The demonstration is meant to show that inductors really ...

There are formulæ for deeply wound coils, and for coils of spaced turns of round wire or of flat tape. The discussion of inductance at high frequencies is less precise than the rest of the book ...

[Apexys] is performing some experiments with switched-mode power supplies and needed to compare the inductance of the coils he was using. His multimeter doesn’t have an inductance testing ...

So, a copper coil that is used for either inductance, resistance or sometimes to move things, which is the electromagnetic properties of coils. So, it’s basically an old sub-supplier to IBM ...