Magnetic field of a solenoid


The magnetic field in the volume of a long, thin loop of wire, wrapped around a metallic core (solenoid) when an electric current is passed through it, depends on the magnetic constant, the number of turns, the current and the length of the solenoid.

Related formulas


BMagnetic field (T)
μ0magnetic constant
NNumber of loops (dimensionless)
ICurrent (A)
lLength of the solenoid (m)