Atoms are composed of three particles with an electric charge: electrons, protons and uncharged neutrons. Electrons have a negative charge, and protons have a positive charge. The negative charge of ...
Understand why the electric force can be zero in electrostatics by exploring charge interactions, symmetry, and superposition. This video explains the physical intuition and mathematical reasoning ...
(Link) Student learning in upper-division physics courses is a growing area of research in the field of Physics Education. Developing effective new curricular materials and pedagogical techniques to ...