This page outlines key concepts in electromagnetism, including electromagnetic forces, measurements of fields, and fundamental laws like Gauss's Law and Ampere's Law. It discusses the nature of electr...This page outlines key concepts in electromagnetism, including electromagnetic forces, measurements of fields, and fundamental laws like Gauss's Law and Ampere's Law. It discusses the nature of electrostatic and magnetostatic fields, as well as visualizing electric field lines and equipotential lines for two point charges.