ELECTRICITY & MAGNETISM
Physics 3223 - Winter 2009

Electromagnetic fields, including electrostatics, dielectric materials, solution to Laplace's equation,
currents and magnetic fields, motion to charged particles, and introduction to electromagnetic waves.

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ANSWERS TO PROBLEMS AND SOLUTIONS TO ASSIGNED PROBLEMS.

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INSTRUCTOR: J. J. Leventhal
Dept of Physics and Astronomy
University of Missouri-St. Louis
St.Louis, MO 63121,USA

  • Prerequisites: Physics 3200 - Survey of Theoretical Physics
  • Co-requisite: Math 3202 - Introduction to Differential Equations
  • Text: Introduction to Electrodynamics, 3rd edition (Prentice-Hall) by David J. Griffiths
  • An extremely useful reference book for all physics courses, this one in particular, is:
    Mathematical Handbook of Formulas and Tables (Schaum's Outline Series) by Murray R. Spiegel
    This book can be obtained for abour $10 at the UMSL Bookstore, amazon.com or even ebay.
    It is not necessary to have the latest edition of this book. The formulas and tables haven't changed much in recent years.
  • Lecture time & place: MW 8 - 9:15 am, Room 445, Benton Hall
  • Teaching assistant: Will Lowes; Office hours: Monday 10am-11:30am & Wednesday 12pm-1:30pm - 516 Benton Hall.
  • Exams: Two classroom exams on dates to be determined.
    Final exam: Monday May 11, 7:45 - 9:45 in the usual classroom.
    The final exam will be closed book - no calculators. You may bring to the exam one 4"X6"
    index card with anything of your choosing written on it.
  • Office address: B508 Benton Hall
  • Office hours: After class and by appointment if that is inconvenient for you.
  • e-mail: jake@umsl.edu
  • Office phone: 314-516-5934
  • Fax: 314-516-6152
  • JJL curriculum vita.


    EXAMS & GRADING
    There will be two classroom exams and a final exam worth 25%, 25% and 50% respectively.

  • Classroom exams: Closed book - no calculators. You may bring to the exam one 3"X5" card with anything of your choosing written on it - both sides.
    Students achieving grades of 90% or higher on both classroom exams (not an average of 90%) will be exempt from the final exam.
  • Final exam: The same rules for the classroom exams apply except you may bring one 4"X6" card with anything of your choosing written on it - both sides.
  • Click here to see the procedure for appealing grading of your classroom exam partial credit.
    Homework problems (assigned below) will not be counted toward your grade in the course. It is, however, strongly recommended that you work all assigned problems since the exams will be based on the homework assigned. (Otherwise, why assign homework?)

    The tentative grading scale is as follows: A: 100 - 90; B: 89 - 80; C: 79 - 70; D: 69 - 60; F: 59 and lower. It is conceiveable that this scale could be modified at the end of the semester, but only to favor the student.

    DROPPING THE COURSE
    The University policy with respect to dropping the course will be followed. That is, after the drop date, before which a student can drop without predjudice, a student may drop the course with a grade of "excused" only if the student is passing.
    Click here to see the UMSL policy on course withdrawal.
    Click here to see the relevant dates for W'09 semester.


  • The field and equipotentials for an electric dipole.
  • Comparison of the equipotentials for two perpendicular linear quadrupoles
    with those of two perpendicular linear quadrupoles with a point charge at the center.
  • Charges on a polygon.
  • Fields of an electret and a bar magnet (short solenoid).
  • More on fields of an electret and a bar magnet- H, B & M.