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物理兴趣讲座 8
Electricity & Magnate
  1. Electricity is every where
  2. Electric Charge in the Atom
  3. Insulators and Conductors
  4. Electroscope
  5. Electric Field
  6. Conductor in electric fields
  7. Magnetic force
  8. Magnetic fields around a Wire.
  9. Magnetic fields around a looped Wire.
  10. Magnetism
  11. Force on a Current Carrying Wire in a Magnetic field
  12. DC Motor