Home>coil
| parameters | express | value | message |
| turns in a metre n | turn/m | ||
| radius | m | ||
| length | m | ||
| self inductance | \(L_0=\mu _0 \pi l a^2 n^2\) | ||
| short coil inductance | \(\frac{L}{L_0}=\frac{\left(\frac{l^2}{a^2}+4\right) K\left(-\frac{4 a^2}{l^2}\right)}{3 \pi }+\frac{\left(4-\frac{l^2}{a^2}\right) E\left(-\frac{4 a^2}{l^2}\right)}{3 \pi }-\frac{8 a}{3 \pi l}\) |