← Index · 03·B2 · № 029

Poster 03·B2 for idea 03, “Fields”: the looping field lines of a bar magnet.

№ 029 · 03·B2

Fields

1831–1865 · Electromagnetism

Idea
03 of 10
Layout
Route B · hero · seed 101
Theme
paper · paper-fold texture
Drawing
Dipole field lines r = L sin²θ for six values of L, on both sides of the axis.
Figures
Format
1680 × 2376 · 1 : 1.414 · AVIF 9 KB / 30 KB / 135 KB
Use
© 2026 Rantasalo & Co. Oy. CC BY-NC-ND 4.0: share unchanged, with credit, non-commercially. Photographs and textures: public domain (CC0), The Metropolitan Museum of Art Open Access.