Physics 122 Lecture Notes

Fall 2000

ELECTRIC FORCE AND ELECTRIC CHARGE

• 1. Introduction
• 2. Charge Quantization and Charge Conservation
• 3. Conductors and Insulators

THE ELECTRIC FIELD

• 1. Introduction
• 2. The Superposition of Electric Forces
  • Example Problem 1: Electric Field of a Charged Rod
• 3. The Electric Field
  • Example Problem 2: Electric Field of Point Charge Q
  • Example Problem 3: Electric Field of Charge Sheet
  • Example Problem 4: Electric Field of Multiple Charge Sheets
• 4. Field Lines
• 5. Electric Dipole in an Electric Field

GAUSS' LAW

• 1. Introduction
• 2. Gauss' Law
  • Example Problem 1: Electric Field of a Point Charge
  • Example Problem 2: Electric Field of a Charge Sheet
• 3. Conductors in Electric Fields

THE ELECTROSTATIC POTENTIAL

• 1. Introduction
• 2. Calculating the Electrostatic Potential
  • Example Problem 1: Electrostatic Potential of a Charged Rod
  • Example Problem 2: Distance of Closest Approach
• 3. The Electrostatic Field as a Conservative Field
• 4. The Gradient of the Electrostatic Potential
  • Example Problem 3: Electric Field derived from Electrostatic Potential
  • Example Problem 4: Potential and Field of a Charged Annulus
• 5. The Potential and Field of a Dipole

ELECTRIC ENERGY OF A SYSTEM OF POINT CHARGES

• 1 Introduction
  • Example Problem: Model of a Carbon Nucleus
• Energy of a System of Conductors
  • Example Problem: Fission of Uranium

CAPACITORS AND DIELECTRICS.

• 1. Introduction
• 2. The parallel-plate capacitor
  • Example Problem: The Geiger Counter
• 3. Capacitors in Combination
  • Example Problem: Multi-plate Capacitor
  • Example Problem: Capacitors in Series/Parallel
• 4. Dielectrics
  • Example Problem: The Parallel Plate Capacitor
• 5. Gauss Law in Dielectrics
  • Example Problem: The Spherical Capacitor
• 6 Energy in Capacitors
  • Example Problem: Capacitors in Parallel.
  • Example Problem: Energy Stored in Capacitors

CURRENTS AND OHMS LAW

• 1. Electric Current
  • Example Problem: Resistance of a Wire
• 2. The resistivity of materials
  • Example Problem: Connecting an AC
  • Example Problem: HV Lines
• 3. Resistance in combination
  • Example Problem: Superconducting Cables
  • Example Problem: Resistors in Circuits

DC CIRCUITS

• 1. Electromotive Force
• 2. Single-loop currents
• 3. Multi-loop circuits.
  • Example Problem: Multi-loop Circuits
• 4. Energy in circuits
  • Example Problem: High-Voltage Transmission Lines
  • Example Problem: Charging a Battery
  • Example Problem: Draining a Battery
• 5. The RC circuit

THE MAGNETIC FORCE AND FIELD.

• 1. The magnetic force
  • Example Problem: Magnetic Field of a Neutron Star
• 2. The Biot-Savart Law
  • Example Problem: Helmholtz Coils
  • Example Problem: Magnetic Field due to a Long Wire
• 3. The magnetic dipole
  • Example Problem: Spinning Charged Disk

AMPERES LAW

• 1. Introduction
  • Example Problem: Field due to six parallel wires
• 2. The solenoid
  • Example Problem: Superposition of magnetic fields
  • Example Problem: Coaxial cable
• 3. Motion of charges in electric and magnetic fields
• 4. Crossed electric and magnetic fields
• 5. Forces on a wire
  • Example Problem: Magnetic balance
• 6. Torque on a current loop

   

MAGNETIC MATERIALS

• 1. Magnetic Moments
  • Example Problem: Two-electron interactions
• 2. Paramagnetism
  • Example Problem: Filled solenoid
• 3. Ferromagnetism
  • Example Problem: Number of aligned electroncs
• 4. Diamagnetism

ELECTROMAGNETIC INDUCTION

• 1. Motional emf
  • Example Problem: Metal Rod in Magnetic Field
  • Example Problem: Induced EMF in a Solenoid
• 2. The Induced Electric-Field
• 3 Inductance
  • Example Problem: Mutual Induction
• 4. Magnetic Energy
  • Example Problem: The Toroid
• 5. The RL circuit
  • Example Problem: Joule Heat in RL Circuit

AC CIRCUITS

• 1. Alternating Current
• 2. AC Resistor Circuits
• 3. AC Capacitor Circuits
• 4. AC Inductive Circuit
  • Example Problem: AC Circuit
• 5. LC Circuits
• 6. The Phasor Diagram
  • Example Problem: LCC Circuit
  • Example Problem: RC Circuit
• 7. The Transformer

THE DISPLACEMENT CURRENT AND MAXWELLS EQUATIONS

• 1. The displacement current
  • Example Problem: Parallel-Plate Capacitor
• 2. Maxwells Equations
  • Example Problem: Conservation of Charge
• 3. Cavity Oscillations
• 4. The Electric Field of an Accelerated Charge
  • Example Problem: Radio Antenna
• 5. The magnetic field of an accelerated charge

LIGHT AND RADIO WAVES

• 1. Electromagnetic waves
  • Example Problem: Radio Receiver
• 2. Plane Harmonic Waves
  • Example Problem: Circularly Polarized Waves
  • Example Problem: Polarization of Electromagnetic Waves
• 3. The Generation of Electromagnetic Waves
• 4. Energy of a Wave
  • Example Problem: Energy of a Laser Beam
  • Example Problem: Energy and Current Flow
• 5. Momentum of a Wave
  • Example Problem: Solar Sails
• 6. The Doppler Shift of Light

© Frank L. H. Wolfs, University of Rochester, Rochester, NY 14627, USA

Last updated on Wednesday, December 13, 2000 10:20