Solenoid

Definition

A solenoid is a coil of wire wound tightly in the shape of a cylinder, often with an iron core inside, used to generate strong magnetic fields when electric current flows through it.

Related terms

Electromagnetic Induction:

The process of generating an electric current in a circuit by changing the magnetic field passing through it.

Ampere's Law:

Relates the magnetic field around a closed loop to the electric current passing through that loop.

Magnetic Flux Density: A measure of the strength of a magnetic field, often denoted as B.