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Drude model notes, The Fatal Current


Two items:1. The notes for the Drude model of conduction from Wednesday.2. A page from Junior lab called “The Fatal Current” about what happens if you electrocute yourself. 

Proof of Gauss’ Law


A short proof of Gauss’ Law, also including a discussion of solid angle.  Unfortunately, I placed the camera so my head was cut off, but most of you know what I look like.

 
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Long distance dipole approximation


Today (Wednesday Feb. 13, 2008) I showed you the exact expression for a dipole and the expression for r>>a. I mentioned the long distance (r>>a) was a little complex.  I’ve written up both calculations here.