Encyclopedia Magnetica™

Uniformity of field inside a round Helmholtz coil, normalised to the value at the centre; the contours have the same shape for coils of various sizes.

This illustration is based on an image copied from: https://commons.wikimedia.org/wiki/File:Helmholtz_coil,_B_magnitude_cross_section.svg (with some modification by S. Zurek).

helmholtz_coil_b_magnitude_cross_section_morn_wikimedia_e-m.png

You are permitted to use this image freely, for any legal purpose including commercial (the permission is given, so there is no need to ask for it explicitly again), but you must always include the following credits:

by Morn, S. Zurek, CC-BY-SA-3.0

Magnetic field strength H, Helmholtz coil, Helmholtz coils, Current loop, Uniform magnetic field, Homogeneous magnetic field, Uniform flux density, Homogeneous flux density, Magnetic field source, Files