Solenoid Magnetic Field Calculator are physic/math calculator to find magnetic field inside a long solenoid, current flow, solenoid length or solenoid number of turn fast and easy.

Features:
- Instant calculation
- Result are copy able to other app
- Formula are include as reference
- Support up to 16 decimal place
- Support various unit for each input

Magnetic Field of a Solenoid. A solenoid is a tightly wound helical coil of wire whose diameter is small compared to its length. The magnetic field generated in the centre, or core, of a current carrying solenoid is essentially uniform, and is directed along the axis of the solenoid.

A solenoid is a long coil of wire wrapped in many turns. When a current passes through it, it creates a nearly uniform magnetic field inside. Solenoids can convert electric current to mechanical action, and so are very commonly used as switches. The magnetic field within a solenoid depends upon the current and density of turns.

Magnetic field inside a long solenoid equation:

B = µ₀ * N * I / L

where:
B - magnetic field
N - number of turns in the solenoid
I - electric current
L - length of the solenoid
µ₀ = 1.25664 * 10^-6 T*m/A is the vacuum permeability

*This is a universal app that work for both iPhone and iPad.

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ScreenShots:

Get Solenoid Magnetic Field Calc for iOS from Itunes App Store