Figure 9. Magnetic field expanding in the space

From

Detector of Torsion as Field Observable and Applications

Dr. Francisco Bulnes, A J. C. García-Limón, L. A. Ortiz-Dumas, V. A. Sánchez-Suarez

American Journal of Electrical and Electronic Engineering. 2020, 8(4), 108-115 doi:10.12691/ajeee-8-4-2