Week 
Topics Covered 
Preclass Reading Assignments 

1 

Charge, forces, Coulomb law, dipoles
 Electric field definition, electric field of one point charge,
 Electric fields by summation of point charges

Chap. 21 and 22
triboelectricity 

2 
 Electric fields by integration over charge distribution, radial dependences for various geometries
 Definitions of flux, closed and open surfaces, area vectors, beginning Gauss's law
 Gauss's law for spherical geometry

Chap 22 and 23 

3 

Gauss's law for planar geometry, cylindrical. Problems with non uniform charge distributions (radial dependence in spherical or cylindrical problems).
 Induced charges and Gauss with metals

Chap 23


4 
 Electric Potential, aka Voltage. Units, definition, relation to work and Potential Energy
 Voltage of a point charge, voltages in uniform fields, kinematics of charges accelerated
 Voltage calculation by summation over point charges
 Voltage calculation by integration over charge distributions.
 Voltage calculation by direct integration of electric field when its known

Chap 24


5 
 Inverse operation: calculation of electric field as gradient of voltage
 Definition of capacitance Q = CV
 Parallel plate caps, spherical and cylindrical, dependence of C on geometry alone
 Dielectrics, definition of dielectric constant and dielectric breakdown strength
 Energy stored in capacitors and in electric fields generally
 Parallel and series caps, equivalent capacitance, capacitive circuits
 Definition of current including sense, current density, drift velocity
 Definition of resistance and resistivity, temperature dependence
 Micro and macroscopic Ohm's law, power dissipation
 Parallel and series components in circuits; topological definitions of nodes and branches
 Parallel and series resistors

Chap. 25 and 26 

6 
 Kirchhoff's Laws, sign conventions for voltage loop law
 Resistive circuits
 RC circuits with diff eq

Chap. 27 

7 
 RC circuit lab.
 Begin magnetism. Analogy of magnetic and electric dipoles, B with E. Permanent magnets, definition of N and S poles, lines of B. Nonexistence of magnetic monopoles, Gauss's Law for magnetism
 Force laws, torques on dipoles.
 Lorentz force law, review of cross products and right hand rules
 Motors, torques on current loops.
 Lorentz force does no work, based on definitions of work and cross products
 Applications of Lorentz; beam steering, circular motion, helical paths, auroras, cyclotron resonance, mass spectrometers, the Hall effect and sign of the charge carrier

Chap. 27 and 28 

8 
 Currents produce B fields
 BiotSavart law, analogy to Coulomb law
 BiotSavart calculation for short straight wires, arcs of wires, rings
 Superposition for various hairpin geometries
 Right hand rules
 Current loop as dipole, full analogy including field produced and torque experienced
 Begin Ampere's law

Chap. 29 

9 
 Ampere's law, choice of path,
 Infinite wire various radii, solenoids, toroids
 Definition of current density and nonuniform J problems in cylindrical symmetry
 Begin Faraday law  history, magnetic flux, open and closed surfaces again
 Lenz's law, sense of current induced
 Methods for effecting changing flux: changing B(t), changing A(t), changing dot product as a function of time
 Generators
 Motional emf, mechanical power conversion to electrical power

Chap. 29 and 30


10 
 Transformers
 Inductors and inductance
 Inductive circuits, RL circuits, LC resonance

Chap. 30 and parts of 31 and 32 


11  15 

Chap. 33  36 
