Equations
Magnetic field inside a long solenoid
Electricity and magnetism · id solenoid_field
B = \mu_0 n I
| Symbol | Quantity | Unit | Meaning | Usual range |
|---|---|---|---|---|
B | magnetic field | T | Field strength inside the solenoid | 0 to 100 |
mu0 | magnetic constant | N/A^2 | Vacuum permeability | |
n | turns per length | 1/m | Number of turns per meter | 1 to 1e+06 |
I | current | A | Current in the coil | 0 to 10000 |
Assumptions
- Long solenoid
- Air core
Valid when
- No extra conditions.
Found by
Questions with these words retrieve this equation: solenoid, coil, electromagnet, magnetic field, turns, current.
Source
OpenStax University Physics Volume 2, Chapter 12 (reference; entry written by the project). License: MIT. Entry confidence: 0.99.