5.1.1 Electric Current
5.1.2 Electric Field
5.1.3 Electrostatic Charge
5.2 Analysing the Relationship Between Electric Current and Potential Difference
5.2.1 Potential Difference
5.2.2 Ohm's Law
5.2.3 Ohmic Conductor and Superconductor
5.2.4 Current and Voltage (Experiment)
5.3 Analysing Series and Parallel Circuits