Lau, Gary wrote:
Assuming a single-layer close-wound air core solenoid made from 30AWG magnet wire, a 1H inductor would be huge! 12.33" diameter x 36" long.
But I'll bet if you made it 12" in diameter, and 12" long, with 3 layers, it would be a lot higher inductance.. maybe as much as 9 times higher.
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