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Lecture 5:  iq03

 

1.  More on Chapter 14

a.  Dipole field pattern: Practice vector addition ( )

b.  Interaction between a constant field and a dipole: force and torque

c.   Force exerted by Q on a dipole ; force exerted by  p1 on p2.

d.  Point charges at corners of a square. ED due to charges at A, B and C.

e.  Is E real? Information on the change of E travels at speed of light

2.  Net charge, conductor vs insulator, conservation of charge

3.  Polarization: Polarizability. Insulators (micro charge separation) Conductors (macro charge separation)

4.  Force on a neutral atom due to a point charge (Read)

 

Announcements:

1.  TA – sessions for [57027 T6-7p] and [57029 Th6-7p] are not available.

o   Students with 57027 or 57029 unique numbers must select one out of the 10 sessions listed on the TA/LA homepage to attend. Avoid those sessions which are nearly at its maximum capacity if possible. Please email contact the TA prior to joining the session.   

o   After you have selected the TA session to attend please inform me your choice.

2.  Clicker related issues

o   During the semester there is no mechanism to adjustment your iq-scores. There will be 4 drops to compensate the 0-iq-scores due to legitimate excuses. Use your drops sparingly.

o   If you have enrolled in the class late, make sure record the starting date you attend this class. We will adjust your end-of-the-semester iq-score due to your late enrollment.

3. Added resources for this course. (See “lecture related” in the menu )

o   Lecture slides/handouts

o   HW-support problems

4. I encourage you to join the face book.  Our group in facebook is: Phy 303L M&I, Spring12

5. Contact your instructor through email and office hours.

o   Email me your questions on homework, lecture, clicker questions and textbook materials etc. (subject line should have: 303L-MI)

o   See me in person: After the lecture, or office hours: MWF 9 to 10pm. Often I will be available MWF from 10-12noon. Call me at 340-0292(cell) before you come. Other time by appointment.