Current Electricity

Topics

• Conduction

  • Drift velocity and mobility
  • Ohm’s law, resistivity and conductivity
  • Temperature dependence of resistance
  • Electrical energy and power

• Circuits

  • EMF, internal resistance and cell combinations
  • Kirchhoff’s laws
  • Wheatstone and metre bridges
  • Potentiometer applications

Learning objectives

1. Analyse a circuit using Kirchhoff’s laws or a balanced bridge.