Electric Forces
and Fields
ELECTRIC CHARGE
The basic components of atoms are protons, neutrons, and electrons. Protons and neutrons form the
nucleus (and are referred to collectively as nucleons), while the electrons keep their distance, swarm
ing around
PHYSICS 333 Electricity and Magnetism 1
Fall 2012
Instructor:
Office:
Office hours:
Tel:
Email:
T.A.:
Prof. Tudor Stanescu
433 White Hall
3:304:30 PM Wednesdays or by appointment
304-293-5194
Tudor.Stanescu@mail.wvu.edu
Zhengjun Wang, zwang3@mix.wvu.edu,
Electrodynamics
J.Pearson
July 10, 2008
Abstract
These are a set of notes I have made, based on lectures given by R.Jones at the University of
Manchester Jan-June 08. Please e-mail me with any comments/corrections: jap@watering.co.uk.
ii
CONTENTS
iii
Cont
Phys333, Fall 2012
Skills Expectations
Mathematical skills:
Denition and manipulation of position vectors and relative position vectors
Grad, div, curl - calculations
Grad, div, curl - physical interpretation
Calculation of line, area, and volume inte
Problem Set #10 (Due Nov 29)
November 20, 2012
Reminders: Show your work! Write legibly! Include references and collaborators.
Problem 10.1 Dielectric slab (20 points)
A slab of polarized dielectric material has parallel faces: one coincides with the xy p
Problem Set #8
October 26, 2012
NOTE! This homework will NOT be collected. However, one of
the following problems will be given at the rst E&M exam on
September 27th.
Problem 8.1
(a) A sphere of radius a is charged with volume charge density (r ) = Krn ,
Problem Set #7 (Due Oct 25)
October 19, 2012
Reminders: Show your work! Write legibly! Include references and collaborators.
Problem 7.1 Energy of a charge conguration (15 points)
(See Griths, Problem 2.31)
a) Three charges are situated at the corners of
Problem Set #6 (Due Oct 18)
October 12, 2012
Reminders: Show your work! Write legibly! Include references and collaborators.
Problem 6.1 Potential for point charges (20 points)
Two point charges q and q are located on the z axis at (x , y , z ) = (0, 0, a
Problem Set #5 (Due Oct 11)
October 4, 2012
Reminders: Show your work! Write legibly! Include references and collaborators.
Problem 5.1 Uniformly charged disc (20 points)
Charge is distributed with constant surface charge density on a circular disc of rad
Problem Set #4
September 21, 2012
NOTE! This homework will NOT be collected. However, one of
the following problems will be given at the rst E&M exam on
September 27th.
Problem 4.1
Consider the vector eld A(r ) = as + b + cz , where a, b, and c are consta
Electrostatic Field Problems:
Cylindrical Symmetry
EE 141 Lecture Notes
Topic 6
Professor K. E. Oughstun
School of Engineering
College of Engineering & Mathematical Sciences
University of Vermont
2012
Cylindrical Polar Coordinates
Coordinate Transformatio
Problem Set #1 (Due Sept 4)
August 23, 2012
Reminders: Show your work! Write legibly! Include references and collaborators.
Problem 1.1 (10 points)
Consider the vectors A = 2x + y z and B = 3x y + 2z , where x, y , and z are unit
vectors parallel to the a
Problem Set #2 (Due Sept 13)
September 6, 2012
Reminders: Show your work! Write legibly! Include references and collaborators.
Problem 2.1
Uniformly charged disc (20 points)
Charge is distributed over the surface of a circular disc of radius a with unifor
Problem Set #3 (Due Sept 20)
September 14, 2012
Reminders: Show your work! Write legibly! Include references and collaborators.
Problem 3.1 Electric ux (10 points)
The base of a pyramid of height h = a/2 is a square with side length a. A charge q is place
Chapter 3 Electric Potential
3.1 Potential and Potential Energy . 3-2 3.2 Electric Potential in a Uniform Field . 3-5 3.3 Electric Potential due to Point Charges . 3-6 3.3.1 Potential Energy in a System of Charges. 3-8 3.4 Continuous Charge Distribution .