Course material:
Summary of lectures
Homework solutions
Vector calculus and wave equation with Maple
Social and ethical factors in maximum permissible exposure

Discussion of course material
To discussion group uwm course ee361
To instructor Chiu Tai Law

Announcements:

- Final will be held May 18 from 12:30pm to 2:30 pm in EMS E250. You are allowed to bring a 8.5"x11" sheet (double side) of notes. There will be 4 problems plus an extra-credit problem. Three problems will be similar to those of previous quizzes (2-4) and two problems will be based on new material (HW23-HW24) - Quiz 4 will be held on May 2 and coverts HW19-22. The formula sheet will be provided. You can bring a half sheet (8.5"x5.5", one-sided) of notes. The quiz will be 45min to 1hr long. Topics included: Current densities and current Ohm's law and conductivity, resistance, power density Continuity equation, Gauss's law Ampere's law Magnetic flux Biot-Savart's law Magnetic force Relation among B, H and M - Quiz 3 will be held on April 16 and covers HW14-18. The formula sheet will be provided. You can bring a half sheet (8.5"x5.5", one-sided) of notes. The quiz will be 45min to 1hr long. Topics included: Coulomb's law. Potential. Gauss's law, polarization vector, bounded charge in dielectric and free charge in conductor. Electric boundary conditions Capacitance and electric energy density. Laplace's equation and method of image. - Quiz 2 will be held on March 26 and covers HW8-13. The formula sheet will be provided. You can bring a half sheet (8.5"x5.5", one-sided) of notes. The quiz will be 45min to 1hr long. Topics included: Conversion between E and H with Maxwell's equations Identification of plane waves and their various parameters. Conversion between E and H with plane wave method. Classification of good conductor, semi-conductor and good dielectric. Concept of Poynting vector Reflection and transmission of EM wave. - There is a typo in the extra credit of HW 11. The propagation direction of the electric field is in x and polarization direction is in y. - Quiz 1 will be held on Feb. 21. It will cover HW1-7 The formula sheet will be provided. You can bring a half sheet (8.5"x5.5", one-sided) of notes. The quiz will be 45min to 1hr long. Topics included: Relationships between E and D as well as B and H. Speed of light in terms of material parameters epsilon and mu. Phasor. Vector operation and interpretation, e.g. dot product. Line integral, equation of line, vector dl. Surface integral, equation of surface, normal and dS. Gradient, divergence, curl and Laplacian Stokes' and divergence theorems, irrotational and solenoidal. - To obtain an CAE computer account, you need to get into one of the CAE computer labs. Enter "accounts" for login and password. After answering a series of questions, you will be given an account. - You can find maple in the computer labs managed by the university (IM&T), e.g. the lab next to EMS student lounge, labs in library and Bolton hall. Check scylla.ceas.uwm.edu/361/maple.html when you try to do the maple computer exercises. - You can use the maple that is available at the alpha machine. First use telnet or putty to logon to the alpha machine using your panthermail account, e.g. telnet alphaX.csd.uwm.edu where X is your initial or first letter of your last name. After logging on, an ez MAIN MENU is presented and you should choose '62' to go to Unix. Follow the instruction and type 'y' to get the Unix prompt. Alpha is a Unix system. You need to know a bit of Unix command to get around (check http://www.uwm.edu/help). Once you are at the command prompt, you type "maple" and will get a screen of maple info similar to those on my example for maple that was given in the beginning of the semester. To get out, type "quit;". Do not forget the semicolon which is required to terminate each command. Get out of Unix prompt by typing 'exit' and out of the ez MENU by typing 'bye'. - Attendance and in-class assignment are mandatory and counted as 7% of the grade.

Clarifications for the textbook

• The text uses r to represent radius in cylindrical coordinates. I use rho instead.
• The text uses R to represent radius in spherical coordinates. I use r instead.
• The text uses boldface symbols to denote vectors, e.g. dS is a vector and dS is a scalar. I will put an arrow on the top of a symbol to represent vector.
• When you see dS in integration, you should expect double integration since dS=dx dy in rectangular coordinates. When you see dV in integration, you should expect triple integration since dV = dx dy dz in rectangular coordinates.
• The text has upper case letters with subscript s to denote phasors and plain upper case letters time dependent variables in Chapter 6. But it does not make any distinction in Chapter 7.
• I will use lower case letter to represent time varying variables, such as those with sinusoidal variation and the corresponding upper case letter to represent phasor variables for the materials in Chapters 6 and 7.

Interesting links relate to electromagnetics or symbolic computation

Visual Electromagnetics for Mathcad
Maple V
Mathematica
Ansoft
Vector Fields
Magsoft
Weildlinger Associates
MacNeal-Schwendler
Optiwave Corporation