5 Electricity and magnetism

This chapter covers many demonstrations in the field of electricity and magnetism.

• 5A electrostatics
  • 5A10 Producing Static Charge
    • 01 E-Field in Material (Electric Soap Bubbles)
  • 5A20 Coulomb’s Law
    • 01 Coulomb’s Law (2)
    • 02 E-Field in Material (Electric Soap Bubbles)
  • 5A40 Induced Charge
    • 01 Charging by Induction
    • 02 Polarizing a dielectric
    • 03 E-Field in Material (Electric Soap Bubbles)
    • 04 Water Dropper (almost Kelvin water dropper)
  • 5A50 Electrostatic Machines
    • 01 Water Dropper (almost Kelvin water dropper)
• 5B electric fields and potential
  • 5B10 Electric Fields
    • 01 Charge and Field; inside and-or outside?
    • 02 Charge is on the Outside
  • 5B20 Gauss’ Law
    • 01 Gauss’ Law
    • 02 Charge is on the Outside
    • 03 Charge and Field; inside and-or outside?
• 5C capacitance
  • 5C10 Capacitors
    • 5C10.20
    • Capacitor (1) Spacing between the Plates
  • 5C20 Dielectric
    • 01 Polarizing a dielectric
    • 02 Capacitor (2) Different Dielectrics
  • 5C30 Energy stored in a capacitor
    • 01 Capacitor (2) Different Dielectrics
• 5D resistance
  • 5D20 Resistivity and Temperature
    • 01 Positive Temperature Coefficient
    • 02 Negative Temperature Coefficient
• 5E electromotive force and current
• 5F DC circuits
  • 5F15 Power and Energy
    • 01 Fuse-Wires Parallel
  • 5F20 Circuit Analysis
    • 01 Fuse-Wires Parallel
• 5G magnetic materials
  • 5G20 Magnet Domains and Magnetization
    • 01 Barkhausen Effect (1)
    • 02 Barkhausen Effect (2)
  • 5G40 Hysteresis
    • 01 Barkhausen Effect (1)
    • 02 Barkhausen Effect (2)
• 5H magnetic fields and forces
  • 5H10 Magnetic Fields
    • 01 Magnetic Fields
  • 5H20 Forces on Magnets
    • 01 Force between Magnets (1)
    • 02 Force between Magnets (2)
  • 5H30 Force on Moving Charges
    • 01 Force on Electrons in a Magnetic Field (1)
    • 02 Force on Electrons in a Magnetic Field (2)
  • 5H40 Force on Current Wires
    • 01 Force Effect of Current
    • 02 Lorentz Force (1)
    • 5H40.03 Lorentz Force (2)
    • 04 Parallel Wires
  • 5H50 Torques on Coils
    • 01 Current Loop in Magnetic Field
• 5J inductance
  • 5J10 Self Inductance
    • 01 Self-Inductance in AC Circuit
• 5K electromagnetic induction
  • 5K10 Induced Currents and Forces
    • 02 Damped Galvanometer
    • 02 Skipping Rope
  • 5K20 Eddy Currents
    • 01 Arago’s Compass Needle
    • 02 Arago’s Disk
  • 5K30 Transformers
    • 01 Electric Power Transmission Line
    • 02 Transformer
  • 5K40 Motors and Generators
    • 01 Electric Motor (Synchronous Motor)
• 5L AC circuits
  • 5L20 LCR Circuits - AC
    • 01 Self-Inductance in AC Circuit
    • 02 Phase
    • 03 LRC Circuits
• 5M semiconductors and tubes
• 5N electromagnetic radiation
  • 5N10 Transmission Lines and Antennas
    • 01 Electromagnetic Waves (Lecher Lines)
    • 06 Microwave Oven Standing Waves