Electric fields and Coulomb forces

What this note covers

1. Electric force and the sign of charge
2. Define electric field with a positive test charge
3. Superpose fields as vectors
4. Read and draw electric-field lines
5. Uniform fields, potential difference and energy
6. Use measurements and dimensions to check electric reasoning
7. Electrostatic shielding and hollow conductors
8. Sharp points and corona discharge

8 sections · 10 key terms & formulas · 6 common mistakes