Gw mau tau ampere (current) dari Éléktromagnétisme. Jelasin dalam bahasa sunda

In the electromagnetic cgs system, electrical current is a fundamental quantity defined via Ampére's law and takes the permeability as a dimensionless quantity (relative perméability) whose value in a vacuum is unity. As a consequence, the square of the speed of light appéars explicitly in some of the equations interrelating quantities in this system.