1. Assignment for Group # 1
Draw electric field lines for the following configuration (equilateral triangle):
2. Assignment for Group # 2
Imagine there are some number of charges in space that are held fixed in their
positions. Is it possible to
1. Assignment for Group # 4
Consider a sphere of uniformly charged material. Calculate the magnitude of the
electric field inside and outside the sphere using Gauss Law.
2. Assignment for Group # 5
For the vector field
Calculate the di
W3007: Problem Set 4: Assigned 10/5/16 due 10/12/16
Solutions to Laplaces equation
Laplaces equation, Cartesian coordinates
Problem 3.14, 3.15
Laplaces equation, Cylindrical coordinates
Laplaces equation, spherical coo
1. Assignment for Group # 7
In class we discussed the solution to the problem of the cylinder with a constant
potential V0, and had trouble finding the proper solution. Finish this discussion
that is, find the correct solution (or point out the diffi
W3007: Problem Set 1: Assigned 9/7/16 due 9/14/16
Please read through chapter 1 of Griffiths. I expect you to be reasonably familiar with vector calculus,
and this weeks problems are to refresh your memory of the subject.
Problems 1.13, 1.34, 1.38, 1.4
W3007: Problem Set 2: Assigned 9/14/16 due 9/21/16
1. Three equal point charges are placed at the vertices of an equilateral triangle. How many saddle
points (points where the electric field is zero) exist within the triangle? Where are they located?
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Introduction to Electricity/Magnetism/Optics, 1402, Spring 2015
Tuesday, May 12, 9:00 am.
You should complete all eight problems (25 points each). Some useful information is included
on the last five pages. Good luck!
1. Insect inside an amber
Do all problems. Show all your work if you want partial credit. There is an equation sheet attached.
Good‘luck and have a nice summer!
Problem 1 (40)
Assume a point-like nucleus of charge Q: +Ze where Z 2 atomic number is surrounded by a cloud of