Unit 4: Electric charge
Both charges in motion (electric current) and some aspects of electrostatics are included. Syllabus topics 17, 19 and 20.
17. Electric fields
17.1 Concept of an electric field 17.2 Uniform electric fields 19. Current of electricity
19.1 Electric current 19.2 Potential difference 19.3 Resistance & resistivity 19.4 Source of electromotive force |
20. D.C. circuits
20.1 Practical circuits 20.2 Conservation of charge and energy 20.3 Balanced potentials |