Paradigms in Physics: Static Fields | 2025-Fall
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Syllabus
Course Name
Paradigms in Physics: Static Fields
Course Number
ph422
Year/Term
Fall-2025
Course Credits
4
Class meeting times
7 hours of lecture/discussion per week for five weeks.
Prerequisites
PH 422: PH 213, PH 335 (may be taken in the same term), MTH 255 (may be taken concurrently) PH 522: None
Course description
Theory of static electric, magnetic, and gravitational potentials and fields using the techniques of vector calculus in three dimensions.
Topic/Day
Activities
Resources
Homework Due
W1 D1: Math Bits
Introduction to the Static Fields (Math Bits)
Course Lecture Notes
Key Request Form
Research Consent Form
Densities
Acting Out Charge Densities
GSF: Densities
GEM 2.1.4
Non-uniform Densities
Modeling Nonuniform Density
Unit: (Math Bits) Integration and Differentiation in Curvilinear Coordinates
Introduction to the Unit
Learning Outcomes
Unit Learning Outcomes: Integration and Differentiation in Curvilinear Coordinates
W1 D2: Math Bits
Review Curvilinear Coordinates
GSF: Curvilinear Coordinates
GSF: Change of Coordinates
Scalar Line, Surface, Volume Elements
Total Charge of a Rod
Curvilinear Volume Elements
GSF: Scalar Surface Elements
GSF: Triple Integrals in Cylindrical and Spherical Coordinates
GEM 1.3.1, 1.4
Total Charge
Total Charge: Spheres \& Cylinders
GSF: Total Charge
W1 D3: Math Bits
Vector Differential
Vector Differential--Rectangular
Vector Differential--Polar
Vector Differential--Curvilinear
GSF: The Vector Differential
GSF: Finding \(d\vec{r}\) on Rectangular Paths
GSF: Other Coordinate Systems
GSF: Calculating \(d\vec{r}\) in Curvilinear Coordinates
HW 01 Practice (w/ Solution)
HW 01 Practice (pdf)
Use What You Know
Introduction to Use What You Know
Charge on a Parabola
GSF: Using \(d\vec{r}\) on More General Paths
GSF: Use What You Know
W1 D4: Math Bits
Vector Fields
Draw Vector Fields
GVC: Vector Fields for Mathematicians
GSF: Vector Fields for Physicists
Work and Vector Line Integrals
Vector Line Integrals (Contour Map)
Curvilinear Basis Vectors
Curvilinear Basis Vectors
GSF: Orthonormal Basis Vectors
GEM 1.4
W1 D5: Math Bits
Review The Multivariable Differential
GMM: The Multivariable Differential
HW 02 Practice (w/ Solution)
HW 02 Practice (pdf)
Definition of Gradient
GSF: The Geometry of the Gradient
GSF: The Gradient in Rectangular Coordinates
GEM 1.2.2-1.2.3
Properties of Gradient
GSF: Properties of the Gradient
Visualizing Gradient
Acting Out the Gradient
Visualising the Gradient
GSF: Visualizing the Geometry of the Gradient
GSF: Using Technology to Visualize the Gradient
GEM 1.2.2-1.2.3
Taylor 4.3, 4.8
Gradient in Curvilinear Coordinates
GSF: The Gradient in Curvilinear Coordinates
GSF: Formulas for Div, Grad, Curl
Unit: Potentials Due to Discrete Charges
Introduction to the Unit
Learning Outcomes
Unit Learning Outcomes: Potentials Due to Discrete Charges
W2 D1
Introduction to Static Fields (Physics)
Introduction to Static Fields
Electrostatic & Gravitational Potential
Electrostatic Potential Due to a Point Charge
GSF: Electrostatic and Gravitational Potentials and Potential Energies
GEM 2.3.4
GSF: Dimensions
Review Distance Formula
Visualizing Potentials I
Drawing Equipotential Surfaces
Read After Class:
GSF: Visualization of Potentials
W2 D2
Veterans Day (No Class)
W2 D3
Superposition of Discrete Charges
Electrostatic Potential Due to a Pair of Charges (without Series)
Read After Class:
GSF: Superpositions from Discrete Sources
GSF: Two Point Charges
GEM 2.3.4
HW 03 Practice (w/ Solution)
HW 03 Practice (pdf)
Potential Due to a Pair of Charges: Limiting Cases
Electrostatic Potential Due to a Pair of Charges (with Series)
Read After Class:
GSF: Power Series for Two Point Charges
W2 D4
Visualizing Potentials (with Technology)
Using Technology to Visualize Potentials
Read After Class:
GSF: Using Technology to Visualize Potentials
Series for Multipoles
Multipole Expansions
Read After Class:
GSF: Using Technology to Visualize Power Series
\(1/r\) vs. \(1/r^2\)
$1/r$ vs. $1/r^2$
Electrostatic Potential in Curvilinear Coordinates
Electrostatic Potential Due to a Ring of Charge
Read After Class:
GSF: Potentials from Continuous Charge Distributions
GSF: Potential Due to a Uniformly Charged Ring
GEM 2.3.4
W2 D5
Limiting Cases (V Ring)
HW 04 Practice (w/ Solution)
HW 04 Practice (pdf)
Unit: Electric Fields
Introduction to the Unit
Learning Outcomes
Unit Learning Outcomes: Electric Fields, $\vec{E}(\vec{r})$
W3 D1
Constants, Variables, and Parameters
Constants, Variables, and Parameters
Electric Field Due to a Point Charge
Electric Field of a Point Charge
GSF: Electric Field of a Point Charge
Superposition for Electric Fields
Drawing Electric Field Vectors for Discrete Charges
Read After Class:
GSF: Superposition for the Electric Field
GSF: The Geometry of Electric Fields
GEM 2.2.1
Electric Field Lines
GSF: Electric Field Lines
GEM 2.2.1
W3 D2
Electric Field Due to a Point Charge as a Gradient
GSF: Electric Field
GEM 2.1.1-2.1.2
Electric Fields from Continuous Charge Distributions
Electric Field Due to a Ring of Charge
Read After Class:
GSF: Electric Field from Continuous Charge Distributions
GSF: Electric Field Due to a Uniformly Charged Ring
GSF: The Electric Field of a Uniform Disk
GEM 2.1
Unit: Gauss's Law (Integral)
Introduction to the Unit
Learning Outcomes
Unit Learning Outcomes: Gauss's Law (Integral Form)
W3 D3
Products of Vectors: Cross Product
Triple Product
Cross Product Review
GMM: Cross Product
GEM 1.1.1-1.1.3
HW 05 Practice (w/ Solution)
HW 05 Practice (pdf)
Vector Surface Elements
Vector Surface and Volume Elements
Read After Class:
GSF: Vector Surface Elements
GEM 1.3.1
Flux Definition
Acting Out Flux
Read After Class:
GSF: Flux
GSF: Flux of the Electric Field
GEM 1.3.1, 2.2.1
W3 D4
Flux Calculation
Flux through a Paraboloid
Read After Class:
GSF: Highly Symmetric Surfaces
GSF: Less Symmetric Surfaces
Visualizing Flux
Visualizing Flux through a Cube
Read After Class:
GSF: Flux through a Cube
Gauss's Law in Integral Form
Gauss's Law in Symmetric Situations
Read After Class:
GSF: Gauss's Law
GSF: Gauss's Law and Symmetry
GSF: Gauss's Law for High Symmetry
GEM 2.2.3
W3 D5
Step Functions
Read After Class:
GMM: Step Functions
GEM 1.5.2
Video:
Step & Delta Functions
HW 06 Practice (w/ Solution)
HW 06 Practice (pdf)
Delta Functions
Read After Class:
GMM: The Dirac Delta Function
GMM: Properties of the Dirac Delta Function
GMM: Representations of the Dirac Delta Function
GEM 1.5
W4 D1
Big Quiz
Static Fields Equation Sheet
Unit: Maxwell's Equations in Differential Form
Introduction to the Unit
Learning Outcomes
Unit Learning Outcomes: Divergence and Curl
W4 D2
More Gauss's Law
Derivatives of Vector Fields
Derivatives of Vector Fields
W4 D3
Definition of Divergence
Read After Class:
GSF: The Definition of Divergence
GEM 1.2.4
HW 07 Practice (w/ Solution)
HW 07 Practice (pdf)
Visualization of Divergence
Visualization of Divergence
Read After Class:
GSF: Exploring the Divergence
GSF: Visualizing the Divergence
Divergence Theorem
GSF: The Divergence Theorem
GEM 1.3.4
Taylor 13.7
W4 D4
Thanksgiving (No Class)
W4 D5
Thanksgiving Break (No Class)
HW 08 Practice
HW 08 Practice (pdf)
Unit: Magnetic Fields
Introduction to the Unit
Learning Outcomes
Learning Outcomes
Unit Learning Outcomes: Magnetostatic Fields
W5 D1
Divergence in Curvilinear Coordinates
Read After Class:
GSF: The Divergence in Curvilinear Coordinates
GSF: Exploring the Divergence in Polar Coordinates
Differential Form of Gauss's Law
GSF: Differential Form of Gauss's Law
GSF: The Divergence of a Coulomb Field
GEM 2.2.1-2.2.2
Current Density
Acting Out Current Density
Read After Class:
GSF: Current
GEM 5.1.3, 5.2.2
W5 D2
Big Quiz Redux
Total Current
Current from a Spinning Cylinder
Ampère's Law in Integral Form
Amp\`ere's Law in Symmetric Situations
Read After Class:
GSF: Ampère's Law
GSF: Current in a Wire
GSF: Ampère's Law and Symmetry
GSF: Ampère's Law on Cylinders
GEM 5.3.3
W5 D3
Curl
Visualization of Curl
Read After Class:
GSF: The Geometry of Curl
GSF: The Definition of Curl
GSF: The Curl in Curvilinear Coordinates
GSF: Exploring the Curl II
GSF: Visualizing the Curl
GEM 1.2.5
HW 09 Practice (w/ Solution)
HW 09 Practice (pdf)
Proportional Reasoning Practice (w/ Solution)
Proportional Reasoning Practice (pdf)
W5 D4
Stokes' Theorem
GSF: Stokes' Theorem
GEM 1.3.5
Differential Form of Ampère's Law
GSF: Differential Form of Ampère's Law
GEM 5.3.3
Introduction to the Lorentz Force Law
Lorentz Force Law to Words
GSF: The Lorentz Force Law
GEM 5.1, 5.3.4
Taylor 2.5
Relationship of Fields
V, $\vec{E}$, U, $\vec{F}$
Read After Class:
GSF: The Relationship between \(V\), \(\vec{E}\), \(U\), and \(\vec{F}\)
GEM 2.3.1-2.3.2
Taylor 4.2
Work
Read After Class:
GSF: Conservative Vector Fields
GSF: Independence of Path
GSF: Visualizing Conservative Vector Fields
GSF: Finding Potential Functions
GSF: Finding the Potential from the Electric Field
GEM 1.3.2-1.3.3
GEM 2.4.1
Taylor 4.2
Lorentz Force Law
Curl-Free Vector Fields
Read After Class:
GSF: Curl-Free Vector Fields
GEM 1.6.2
Taylor 4.4
Electrostatic Energy Due to Discrete Charges
Electrostatic Energy of Discrete Charges
Read After Class:
GSF: Electrostatic Energy from Discrete Charges
GEM 2.4.1-2.4.2
W5 D5
Biot Savart Law
Read After Class:
GSF: The Biot-Savart Law
GSF: The Magnetic Field of a Straight Wire
GSF: The Magnetic Field of a Spinning Ring
GSF: Comparing \(\vec{B}\) and \(\vec{A}\) for a Spinning Ring
GEM 5.2.2
HW 10 Practice (w/ Solution)
HW 10 Practice (pdf)
Review
GSF: Learning Outcomes
GSF: The Relationship between \(\vec{E}\), \(V\), and \(\rho\)
GSF: The Relationship between \(\vec{B}\), \(\vec{A}\), and \(\vec{J}\)
GEM 2.3.5, 5.4.2
GEM 5.3.4
12/10, noon
FINAL EXAM
Static Fields Equation Sheet