Week 12 (Nov 10-Nov 14) We are in Ch 10 this week, studying time-dependent potentials (scalar and vector). We will skim the latter half of the chapter (Jefimenko's equations, and fields from moving charges) so that at the end of the week, we will move on to electromagnetic radiation (Ch 11) .

electric dipole

This week we start our study of EM radiation, first by describing our time-dependent fields in terms of time-dependent potential functions. To get a feel for the way that radiation is produced by accelerating charges, play with this java applet. (The pattern above is a from a simulation of a radiating electric dipole. You can find movies of these simulations at this MIT link.

Our PhET team has also come up with an excellent radiation sim, check it out!

Announcements:

  • Preflight #11: This one is longer than usual, it has a bunch of review questions. Due Wed (not Monday) @ 10 AM
  • HW11 will not be due until Nov 19, because we have an exam coming up on Thursday Nov 13. See the exam info page for more details.
  • As a result, NO OFFICE HOURS this week either. But if you want to see me to talk about exam prep (or anything else), just let me know in class or by email, and we'll meet up in my office.
  • Reading: 10.2 for the start of the week, 11.1 for the end of the week.
  • Visit our piazza page and ask a question. Or answer someone else's for a little extra credit!
OLD ANNOUNCEMENTS can be found here: Week 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 , 11 ,
      I welcome your comments on the class and this website. Send them to steven.pollock at colorado.edu