What is flux linkage?

Flux linkage is a measure of the amount of magnetic flux that passes through a specific area or loop of a magnetic circuit. It is typically calculated by taking the product of the magnetic flux passing through the area or loop and the number of turns in the coil or circuit. In other words, it is a measure of the magnetic coupling between a magnetic field and a coil or circuit.

Flux linkage plays a crucial role in electromagnetic induction, as changes in flux linkage can induce an electromotive force (EMF) in a coil or circuit. This is the fundamental principle behind the operation of transformers, generators, and other electrical devices.

In mathematical terms, the flux linkage (Λ) can be expressed as:

Λ = NΦ

where: Λ = flux linkage N = number of turns in the coil or circuit Φ = magnetic flux

Flux linkage is an important parameter in the analysis and design of magnetic circuits and electromagnetic devices, as it directly affects the induced voltage and current in a coil or circuit. It is also used to calculate the inductance of a coil and understand the behavior of magnetic fields in a system.