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Lecture: 21  (iq19)  Bar-magnet and Ampere’s law revisit

 

      1.  Magnetic moment of a bar magnet

o   Atomic structure: Dipole moment and angular momentum

o   Quantized angular momentum

o   Ball park confirmation of the theory

     2. Ampere’s law (Review):  From field pattern to Amperian Loop

o   The long wire case

o   Solenoid

o   Current sheet and Toroid

Announcement:

o   Summary of unit 2: Check list of the physics learned.

o   Regular office hours: MWF 9:15 to 10:15.

o   Extra review session: Tue 5-6, ECJ 1.214

o   Wed. lecture: Q and A on unit 2.  

o   Extra office hour: Thursday 2-3:30pm

o   Change of exam site for midterm2 and midterm3. New site: Bur 106.