private formula
Wheeler’s approximation for a coil, if crossection of layers is near square (b=~l)
Formula has warnings so can not be used - press "edit" below in order to fix.
| L | Inductance (uH) |
| N | Number of turns of coil (dimensionless) |
| rm | Mean radius of coil (cm) |
| l | Length of coil (cm) |
| b | Thickness of a coil (cm) |