3D simulation

Electromagnet 3D Lab

Current · turns · magnetic field · solenoid

Learning outcomeExplore how current and coil turns affect electromagnet field strength.

Interactive 3D model

Current3.00 ACoil turns300Coil length0.30 m

Ideal B field3.77 mT

Ampere-turns900

Field trend∝ NI/L

Learning focus

Increase current and coil turns to strengthen an idealized solenoid field.

B ≈ μ₀NI/L