# PHYS 435 :: Physics Illinois :: University of Illinois at Urbana-Champaign

## Schedule

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Solution

Week Date Lecture Reading Homework Discussion Exam
1 Monday
1/15/2018
No Lecture  Martin Luther King Day   Griffiths § 1 (all), 2.1

Homework 1
(Due 10 AM on 1/26/2018.)

Solution

Wednesday
1/17/2018
Lecture 1
pdf

Friday
1/19/2018

Lecture 2

Electric Field and Coulomb's Law
pdf

2 Monday
1/22/2018

Lecture 3

Gauss's Law

Point charge and Dirac delta function

pdf

Griffiths § 2.2, 2.3.1, 1.5

Homework 2

Assigned 1/24, due

10 AM 1/31

Solution

Discussion 1

Solution discussion 1

Wednesday
1/24/2018

Lecture 4

Gauss's Law in Symmetric Problems

Electric Potential, Poisson's Eqn.,

pdf

Friday
1/26/2018

Lecture 5

Calculate Electric Potential

Boundary conditions
pdf

3 Monday
1/29/2018

Lecture 6

Electric Interaction Energy

Electric Field Energy
pdf

Griffiths § 2.4, 2.5

Homework 3

Solution

Discussion 2

Solution discussion 2

Wednesday
1/31/2018

Lecture 7

Self Energy of a Point Charge

Energy Calculations

Conductors
pdf

Friday
2/02/2018

Lecture 8

Conductors, Induced charge, Forces

on a Conductor (that factor of 1/2),

Capacitors
pdf

4 Monday
2/05/2018

Lecture 9

Potential Problems, Uniqueness

No local min/max theorem
pdf

Griffiths § 3.1, 3.2,

3.3.1 for sep of variables

(Friday, 2nd half)

Homework 4

Solution

Wednesday
2/07/2018

Lecture 10

Solution by Inspiration

Method of Images with Planar Boundary Condition
pdf

Friday
2/09/2018

Lecture 11

Method of Images with Spherical Boundary Condition

Introduction to Separation of Variables - Laplacian
pdf

5 Monday
2/12/2018

Lecture 12

Solution by Perspiration

Separation of Variables in Cartesian Coordinates
pdf

Griffiths § 3.3, 3.4 Homework 5

Solution

Wednesday
2/14/2018

Lecture 13

Separation of Variables in Spherical Coordinates

Legendre Polynomials
pdf

Friday
2/16/2018

Lecture 14

Conclude Separation of Variables

Fourier Series - Spectral Representation of Functions
pdf

6 Monday
2/19/2018

Lecture 15

Multipole Moments
pdf

Griffiths § 4.1, 4.2, 4.3, 4.4

Homework 6

Solution

Wednesday
2/21/2018

Lecture 16

Energy of Dipole in an External Field
pdf

Friday
2/23/2018

Lecture 17

Electric field of a dipole

Energy of Multipole moments in an External E-field
pdf

7 Monday
2/26/2018

Lecture 18

Introduction to Dielectrics

Bound Charge on Surfaces and in Bulk

pdf

Griffiths § 4.4

Wednesday
2/28/2018

Lecture 19

Bound Charges
pdf

Friday
3/02/2018

Lecture 20

Displacement Field
pdf

8 Monday
3/05/2018
No Lecture on Exam Day Griffiths § 5.1, 5.2

Homework-7

Solution

Exam, 7-830 pm
Exam Solutions Formula Sheet
Wednesday
3/07/2018
No Lecture
pdf

Friday
3/09/2018

Lecture 21

Dielectrics in Cartesian and Spherical Coordinates
pdf

9 Monday
3/12/2018

Lecture 22

Introduction to Magnetostatics
pdf

Griffiths § 5.3, 5.4

Homework 8

Solution

Discussion 6

Wednesday
3/14/2018

Lecture 23

Ampere's Law and Law of Biot-Savart
pdf

Friday
3/16/2018

Lecture 24

Magnetic Vector Potential
pdf

10 Monday
3/19/2018
Spring Break!

Wednesday
3/21/2018
Spring Break!

Friday
3/23/2018
Sping Break!

11 Monday
3/26/2018

Lecture 25

Continue discussing Vector Potential and Gauges

No notes beyone Lecture 24
pdf

Griffiths § 7.1, 7.2

Homework 9

Solution

Discussion 7

Wednesday
3/28/2018

Lecture 26

Magnetic Multipoles --> magnetic dipoles
pdf

Friday
3/30/2018

Lecture 27

Forces and Torques Acting on Magnetic Dipoles

Potential Energy

pdf

12 Monday
4/02/2018

Lecture 28

Bulk Magnetization

Vector Potential from a Ferromagnet

pdf

Griffiths § 7.2, 7.3

Homework 10

Solution

Discussion 8

Wednesday
4/04/2018

Lecture 29

Bound Currents, Auxiliary field H

B = mu0(H+M)
pdf

Friday
4/06/2018

Lecture 30

Boundary Conditions, Demagnetizing Coefficients
pdf

13 Monday
4/09/2018

Lecture 31

pdf

Homework 11

Solution

Discussion 9

Wednesday
4/11/2018

Lecture 32

AC circuit theory
pdf

Friday
4/13/2018

Lecture 33

Examples of AC circuits
pdf

14 Monday
4/16/2018

Lecture 34

Fixing Ampere's Law - Displacement Current
pdf

Griffiths § 7.3,

8.1 Poynting Vector

Homework 12

Solution

Exam, 7-830 pm
Formula Sheet Exam Solutions

Errata

Wednesday
4/18/2018

Lecture 35

Magnetic Field Energy and Poynting's Vector
pdf

Friday
4/20/2018

Lecture 36

Electromagnetic Waves
pdf

15 Monday
4/23/2018

Lecture 37

pdf

Griffiths § 9.1, 9.2

Homework 13

Solution

Wednesday
4/25/2018

Lecture 38

EM waves in dielectrics, Polarization Current
pdf

Friday
4/27/2018

Lecture 39

Reflection and Refraction, Fresnel's Equations
pdf

16 Monday
4/30/2018

Lecture 40

EM waves in conductors
pdf

Wednesday
05/02/2018

Lecture 41

Reflection of EM waves from conductors

pdf

Friday
5/09/2017
Final: 7-10pm   Formula Sheet 1  Formula Sheet 2