120 likes | 134 Views
Learn about Maxwell equations, charge and current distributions, Coulomb's law, Gauss's law, electrical scalar potential, and electrical properties of materials. Explore topics such as electrostatics and magnetostatics.
E N D
16.360 Lecture 19 • Exam II Average: 77.8
16.360 Lecture 19 • Today Brief review of Electrostatics (I) • Maxwell equations • Charge and current distributions • Coulomb’s law • Gauss’s law • Electrical scalar potential • Electrical properties of Materials
16.360 Lecture 19 Maxwell equations E: electric field intensity D: electric flux intensity H: magnetic field intensity B: magnetic flux intensity : electrical permittivity; :magnetic permativity v: electric charge density per unit volume; J: current density per unit area. Electrostatics Magnetostatics
16.360 Lecture 19 Electrostatics Volume charge density Surface charge density Line charge density
16.360 Lecture 19 Current density J
16.360 Lecture 19 Coulomb’s law
16.360 Lecture 19 Electric field due to a charge distribution
16.360 Lecture 19 Gauss’s law Gauss’s law
16.360 Lecture 19 Electrical scalar potential
16.360 Lecture 19 Electrical potential due to point charge Electrical potential due to continuous distributions
16.360 Lecture 19 Electric field as a function of Electrical potential Poison’s equation Poison’s equation Laplace’s equation
16.360 Lecture 19 Electrical properties of material • conductor • dielectric • semiconductor