3. Equipotential lines

Learning Outcomes
  • I can define equipotential lines and equipotential surfaces.
  • I can interpret diagrams showing equipotential lines.
  • I can explain the relationship between equipotential lines and electric field lines.
  • I can determine the direction of electric fields using equipotential diagrams.
  • I can use equipotential diagrams to compare electric potentials at different locations.

Key Topics:
  • Equipotential surfaces for point charges and fields
  • Relationship to electric field: E⊥equipotentials