Review several problems from each of these collections.

Electrostatics

Electrostatic force, field, potential energy, potential, energy conservation
Flux, Gauss' law
Properties of conductors and capacitors
Kinematics, (electric force)
Electrostatic energy (conductors and dipoles)
Maxwell's equations for electrostatics

Dielectrics

Polarization and the electric displacement
Gauss' law for D
Capacitors with dielectrics, energy, force

DC circuits

Current and DC circuits (Ohms law)
Resistors in series and parallel, Kirchhoff's rules