Electric Field Derivation from the Scalar Potential of a Filamentary Plane Uniformly Charged Ring at Any Point in Space. European Journal of Electrical Engineering and Computer Science, [S. l.], v. 9, n. 5, p. 22–30, 2025. DOI: 10.24018/ejece.2025.9.5.749. Disponível em: https://www.ejece.org/index.php/ejece/article/view/749. Acesso em: 24 sep. 2025.