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Maxwell Equations and Electrical Properties of Materials

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.

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Maxwell Equations and Electrical Properties of Materials

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  1. 16.360 Lecture 19 • Exam II Average: 77.8

  2. 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

  3. 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

  4. 16.360 Lecture 19 Electrostatics Volume charge density Surface charge density Line charge density

  5. 16.360 Lecture 19 Current density J

  6. 16.360 Lecture 19 Coulomb’s law

  7. 16.360 Lecture 19 Electric field due to a charge distribution

  8. 16.360 Lecture 19 Gauss’s law Gauss’s law

  9. 16.360 Lecture 19 Electrical scalar potential

  10. 16.360 Lecture 19 Electrical potential due to point charge Electrical potential due to continuous distributions

  11. 16.360 Lecture 19 Electric field as a function of Electrical potential Poison’s equation Poison’s equation Laplace’s equation

  12. 16.360 Lecture 19 Electrical properties of material • conductor • dielectric • semiconductor

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