Home > Courses > 1P22_Crandles Electromagnetism, Optics, and Modern Physics Introduction Oscillations and waves Electrostatics Electrostatic or Coulomb's force charge, electrons, protons, neutrons, and matter periodic table sticky tape experiment direction of Coulomb force MC: coulomb force I MC: coulomb force II Ex: Gravitational vs. Coulomb force in a hydrogen atom Ex: Net Electric Force Ex: a ring of charge Metals and Insulators Charging by Friction MC: charging by friction VanderGraaf Generator Charging by Induction MC: charging by induction Electric field MC: field of two charges Ex: superposition of fields I Ex: superposition of fields II electric field lines (+q, -q, parallel plates, dipole) Ex: atmospheric electrical field MC: motion in constant field I MC: motion in constant field II Ex: motion in constant field III electric potential energy and potential electrostatic potential energy (cf. gravitational potential energy) Ex: potential energy is not the same as potential Ex: electric potential energy and force electrical potential energy of a pair of charges: two protons electrical potential produced by a system of point charges MC: What is the net potential produced by two charges? MC: What is the net potential produced by four charges? How vacuum tubes worked MC: How will the negative charge move? Electron gun in an x-ray tube Definition of the electron volt Ex: work-energy theorem for electrostatics Electric Field Lines and Equipotential Surfaces Demonstrating Electric Field Lines MC: Interpreting field line diagrams electric field inside conductors is zero: Faraday's Cage equipotential surfaces for: a point charge; a dipole MC: What is the relative direction of equipotential surfaces and the electric field? MC: reading equipotential diagrams I MC: reading equipotential diagrams II MC: reading equipotential diagrams III capacitors capacitors come in many shapes Ex: stored electric energy in a capacitor energy versus power storage bus run on ultracapacitors MC: What is the change in stored energy in this capacitor I? MC: What is the change in stored energy in this capacitor II? Capacitor networks the effect of inserting a dielectric capacitors and dielectrics II Electric circuits Magnetism, induction and ac circuits Wave Optics Quantum Physics