Main Table of Contents

  0: Introduction
  1: The magnetic field around a wire
  2: Two wires and their magnetic fields
  3: Strength of the magnetic field around a wire
  4: Interactive problem: determine the current in the wire
  5: Magnetic force, parallel wires, and the ampere
  6: Biot-Savart law
  7: Derivation: magnetic field of a straight wire (Biot-Savart)
  8: Derivation: magnetic field of a wire arc (Biot-Savart)
  9: Sample problem: two wire arcs
10: Sample problem: hairpin turn of wire
11: Interactive checkpoint: a loop-the-loop of current
12: Ampère's law
13: Interactive problem: using Ampère's law
14: Line integrals of dot products
15: Ampère's law with calculus
16: Derivation: magnetic field inside a wire (Ampère)
17: Derivation: magnetic field of a plane (Ampère)
18: Derivation: magnetic field of a solenoid (Ampère)
19: Interactive problem: find the current through the solenoid
20: Sample problem: electron in a solenoid
21: Derivation: magnetic field of a toroid (Ampère)
22: Interactive checkpoint: make a solenoid
23: Axial magnetic field of a short coil
24: Derivation: axial magnetic field of a loop (Biot-Savart)
25: Gotchas
26: Summary

Quiz Boards

Problems