App description

Input data: L [inductance] (uH); r [coil frame diameter] (mm); l [coil length] (mm)

Output data: N[coil] = (circle)

Calculation formula

<img src="http://drr.ikcest.org/static/upload/f1/f15f607a-ecbf-11e9-9b36-00163e0618d6_m.jpg" />

<img src="http://drr.ikcest.org/static/upload/17/17dc83c2-ecc0-11e9-b84a-00163e0618d6_m.jpg" />

Usage example

L=45; r=350; l=100

<img src="http://drr.ikcest.org/static/upload/23/239d18b6-ecc0-11e9-80df-00163e0618d6_m.jpg" />

n=6.22

Note

The inductance of the coil is related to the wire diameter of the enameled wire. In actual use, it needs to be adjusted accordingly.