1. Ampere’s Law (partially correct)
Announcements 1/9/12
Prayer
Combination for walk-in lab optics room: (e0)
About my office hours: move time or move location?
Reminder (“what you should already know”):
Review:
Gauss’s Law
Gauss’s Law for B
Faraday’s Law
Ampere’s Law (partially correct)

2. Ampere’s Law example

3. Reading Quiz
The “continuity equation”, aka “equation of continuity” is which of the following?

4. Maxwell’s fix to Ampere’s Law

5. Maxwell’s Equations, Phys 220 form
Gauss’s Law
Gauss’s Law for B
Faraday’s Law
units of current
Ampere’s Law
with Maxwell correction

6. Maxwell’s Equations, Phys 441 form
Gauss’s Law
Gauss’s Law for B
Faraday’s Law
Ampere’s Law (with Maxwell correction)
P&W P1.4 (due Thurs Jan 12): Memorize these four eqns (and two others). There will be a quiz on Friday Jan 13!

7. Wave equation in free space
“And so to Maxwell the mystery was revealed—
he saw how light could move through empty space.
The changing B-field made the changing E-field,
and vice versa, all at the perfect pace!”