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Sorry for all of my questions that are very basic, but I'm trying to learn from square one...
If I looked up the inductance for a particular wire and coil size, and the various formulas out on the web, I can find many turns I need. The question I was originally going to ask was if it matters how the coil is configured - for example if it's perfectly round, or if it's an oval...if the wire just goes in the same direction or reverses or twists around itself. But based on the fact that people in these forums talk about making different types of coils like basket coils I assume it makes a big difference and that even if you make a different type of coil you use the same amount of wire? Or is that assumption wrong?
I made a basic coil from enameled wire and wrapped in a circle. It works fine. Then I took the same amount of the same wire, and cut it in half. I used it to make the same size circle but obviously it has half as many turns. Then with the remaining half of the wire I bent it in half four or five times to make a shorter bunch of wires, and then I took that bunch and wrapped it around the first circle I made like a helix if that makes sense. It also seems to work fine. But I can't tell if one is "better than the other".
I guess my question is whether there are any sort of 'no-nos' - like don't have wires reverse direction, or don't make a triangle shape, or...anything else.
Again, sorry if this is a dumb question....
If I looked up the inductance for a particular wire and coil size, and the various formulas out on the web, I can find many turns I need. The question I was originally going to ask was if it matters how the coil is configured - for example if it's perfectly round, or if it's an oval...if the wire just goes in the same direction or reverses or twists around itself. But based on the fact that people in these forums talk about making different types of coils like basket coils I assume it makes a big difference and that even if you make a different type of coil you use the same amount of wire? Or is that assumption wrong?
I made a basic coil from enameled wire and wrapped in a circle. It works fine. Then I took the same amount of the same wire, and cut it in half. I used it to make the same size circle but obviously it has half as many turns. Then with the remaining half of the wire I bent it in half four or five times to make a shorter bunch of wires, and then I took that bunch and wrapped it around the first circle I made like a helix if that makes sense. It also seems to work fine. But I can't tell if one is "better than the other".
I guess my question is whether there are any sort of 'no-nos' - like don't have wires reverse direction, or don't make a triangle shape, or...anything else.
Again, sorry if this is a dumb question....