magnetic_path_length

Stan Zurek, Magnetic path length , Encyclopedia-Magnetica.com, {accessed 2020-12-01} |

**Magnetic path length**, **path length** or **magnetic path**, typically represented by the symbol $l$ for *“length”* ^{1)}^{2)}^{3)} or **MPL**^{4)} - is the effective path taken by the magnetic flux in a magnetic core or magnetic circuit. The path is measured in the units of length (e.g. metres).

The concept of path length is used in calculations such as: deriving the value of magnetic field strength H from the magnetising current^{5)} in a closed magnetic circuit^{6)}, magnetic reluctance^{7)}, effective permeability^{8)}, and many more.

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Fig. 2. Gapped core with: total magnetic path length $l$ (orange), length of core $l_{core}$ (blue) and length of gap $l_g$ (red)

^{by S. Zurek, Encyclopedia Magnetica, CC-BY-3.0}

magnetic_path_length.txt · Last modified: 2020/08/02 20:52 by stan_zurek