10. Magnetic Fields

5H10.1 Oersted Effect 5H10.2 Magnets and Iron Filing 5H10.3 Vertical Wire, Solenoid, and Iron Filings

20. Forces on Magnets

5H20.1 Levitation Magnets

30. Forces on Moving Charges

5H30.1 Cathode Ray Tube and Magnet 5H30.21 Forces on an Electron Beam

40. Force on Current in Wires

5H40.10 Force between Parallel Wires 5H40.15 Force on a Helix 5H40.35 One Wire in Magnetic Field 5H40.50 Barlow's Wheel 5H40.53 Unipolar Motor

50. Torque on Coils

5H50.1 Galvanometer Model