Uncover the mysteries of electromagnetism! Our Self Inductance of Coil Calculator helps you quickly determine the inductance of a solenoid based on its physical properties. An essential tool for electrical engineers, students, and hobbyists designing coils and inductors.
Formula:
The self inductance (L) of a solenoid coil can be calculated using the following formula:
L = (μ * N2 * A) / l
- L = Self Inductance (Henries, H)
- μ = Permeability of the core material (Henry/meter, H/m). This is often represented as μ = μ0 * μr, where:
- μ0 = Permeability of free space (4π × 10-7 H/m)
- μr = Relative permeability of the core material (dimensionless)
- N = Number of turns in the coil (dimensionless)
- A = Cross-sectional area of the coil (square meters, m2). For a circular coil, A = π * r2, where r is the radius.
- l = Length of the coil (meters, m)