10–20% of the AP exam. Key topics: Electric potential energy (U = qV) and work done by the electric force, Electric potential from a point charge (V = kq/r) and superposition of potentials, Electric potential from continuous charge distributions via integration, Potential difference (ΔV) and its relationship to work, Equipotential surfaces and their geometric relationship to field lines, Relationship between electric field and potential: E = –dV/dr (1D) and E = –∇V (3D), Energy conservation in electric fields (K + U = constant), Electric potential inside and outside conductors (V = constant inside conductor).
Study guide content for this unit is being prepared. Check back soon for complete lesson notes, formula sheets, and worked examples.
