Phys 4, Section 2     Preparation for Exam 2     Apr 2, 2002

Textbook: Young & Freedman, University Physics with Modern Physics, 10^th ed.
Date of Exam 2: Friday, Apr 5, 2002 at 9:00 am in WW141.

Chapter 28: Magnetic Field and Magnetic Forces
· 28.3-28.4 Magnetic force: F_B, magnetic flux: Φ_B
            Gauss=s law for magnetism, teslas (gauss) and webers
· 28.6-28.7 Velocity selector: E = vB; F_B on current in a conductor
· 28.8 Force and torque on a current loop (skip dipoles and magnetic materials),
            motors and generators

Chapter 29: Sources of the Magnetic Field
· 29.2-29.5 Magnetic field of a moving charge, magnetic field of a current element,
            magnetic field of a straight current-carrying conductor, force between
            parallel conductors
· 29.7, 29.10 Ampere=s law, Maxwell=s displacement current

Chapter 30: Electromagnetic Induction
· 30.3-30.6 Faraday=s law, Lenz= law; motional Emf; induced electric fields
· 30.8 Maxwell=s laws, displacement current, speed of light

Chapter 31: Inductance
· 31.3 Inductors and inductance: L = NΦ_B/i, Emf = -L di/dt
· 31.4 Magnetic field energy: U_B = LI²/2, u_B = B²/(2μ_o)
· 31.5 Inductive time constant: τ = L/R, charging and discharging an L-R circuit

Chapter 33: Electromagnetic Waves
· 33.3-33.5 Plane waves, mutual orthogonality among E, B, and k, energy and
            momentum in an electromagnetic wave: u = u_E + u_B, E = pc

Chapter 34: Nature of Light
· 34.3-34.4 Laws of reflection and refraction, index of refraction, TIR and critical
            angle

Last modified on April 02, 2002