1 / 12

16.360 Lecture 20

16.360 Lecture 20. Today. Conductors Resistance Dielectrics Electric boundary conditions Capacitance Electrostatic potential energy Image method. 16.360 Lecture 20. Conductors. Electron drift velocity. Hole drift velocity. Conducting current. Point form of Ohm’s law.

holli
Download Presentation

16.360 Lecture 20

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 16.360 Lecture 20 Today • Conductors • Resistance • Dielectrics • Electric boundary conditions • Capacitance • Electrostatic potential energy • Image method

  2. 16.360 Lecture 20 Conductors Electron drift velocity Hole drift velocity Conducting current Point form of Ohm’s law

  3. 16.360 Lecture 20 Resistance General form

  4. 16.360 Lecture 20 Joule’s law General form

  5. 16.360 Lecture 20 Dielectrics Electrical field induced polarization

  6. 16.360 Lecture 20 Dielectrics P: electric polarization field For homogeneous material: Electric susceptibility Relative permittivity: Dielectric breakdown

  7. 16.360 Lecture 20 Electric boundary condition the tangential component is continuous across the boundary of two media.

  8. 16.360 Lecture 20 Electric boundary condition the normal component of D changes, the amount of change is equal to the surface Charge density.

  9. 16.360 Lecture 20 Dielectric-Conductor boundary

  10. 16.360 Lecture 20 Conductor-Conductor boundary

  11. 16.360 Lecture 20 Capacitance

  12. 16.360 Lecture 20 Electrostatic Potential Energy Image Method Any given charge above an infinite, perfect conducting plane is electrically equivalent to the combination of the give charge and it’s image with conducting plane removed.

More Related