AP Physics C: Electricity and Magnetism

Unit 8 Electric Charges, Fields, and Gauss’s Law

6 topics · 118 questions, each explained

1. 8.1 Electric Charge and Electric Force 11 ideas · 37 questions

   Electric charge · Coulomb's law · Direction of the electrostatic force · Contact forces · Gravitational force · Electric versus gravitational force · Electrical neutrality of large bodies · Electric permittivity (ε) · Electric polarization · Permittivity of free space (ε₀) · Permittivity of a material

2. 8.2 Conservation of Electric Charge and the Process of Charging 3 ideas · 13 questions

   Electric charge · Elementary charge, e · Grounding

3. 8.3 Electric Fields 5 ideas · 23 questions

   Electric field · Electric field (definition) · Vector nature of the field · Electrostatic equilibrium · Charge and field in an insulator

4. 8.4 Electric Fields of Charge Distributions 2 ideas · 16 questions

   Continuous charge distribution · Symmetry cancellation

5. 8.5 Electric Flux 3 ideas · 10 questions

   Flux · Area vector, A⃗ · Area element, dA⃗

6. 8.6 Gauss’s Law 6 ideas · 19 questions

   Gauss’s law · Gaussian surface · Independence of flux from the size of the Gaussian surface · Choosing a Gaussian surface using symmetry · Charge densities λ, σ and ρ · Maxwell’s equations

Unit 9 Electric Potential →