OCR AS level Physics: Charge and Current is a part of the Module 4: Electrons, Waves, and Photons.

All presentations come with worked examples, solutions and homeworks.

  • Fundamental charge and relative charge
  • Structure of a metal
  • Conventional current and electron flow
  • Measuring current with an ammeter
  • Ionic solutions with cations and anions.
  • Ions, relative charge and absolute charge
  • Comparing ionic solutions and metal conductors
    • Apply Kirchhoff’s First Law
  • Kirchhoff’s First Law in mathematical form
  • Kirchhoff’s First Law in written form
  • Describing conservation laws
  • Women in Science - Emmy Noether
  • CERN and jobs in physics
  • Number density for conductors, semi-conductors, and insulators
  • Calculating cross-sectional area
  • Apply the mean drift velocity equation.
  • Derivation of Mean Drift Velocity Equation

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