Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Magnetic field lines are visual representations of the direction and strength of a magnetic field. They show how a compass needle would align at different points in space.
Related terms
Flux density (B): Flux density (B) measures the strength of a magnetic field at any given point.
A solenoid is a long coil of wire that produces a uniform magnetic field when an electric current passes through it.
Faraday's Law of Electromagnetic Induction: Faraday's Law of Electromagnetic Induction states that changing magnetic fields induce an electromotive force (emf) in nearby conductors.