Coulomb's law and electric fields of point charges

What this note covers

1. Charge, charging and conservation of charge
2. Coulomb's law
3. Electric field strength of point charges
4. Vector sums of two fields and null points
5. Field-line diagrams and the Faraday cage
6. Comparing electric and gravitational forces
7. Exam technique for electrostatics

7 sections · 11 key terms & formulas · 6 common mistakes