AP®︎ Physics C: E&M Unit 9: Notes & Study Guide

Prepare for your quiz, test, or the AP exam with a comprehensive review on Unit 9 of AP Physics C: E&M – Electric Potential.

Exam weight: 10%–20%
3 Topics

Unit 9: Electric Potential

How voltage relates to electric field through integration, and how potential energy landscapes govern the motion of charges.

Begin with Topic 9.1: Electric Potential Energy

To review Unit 9, go through each of the 3 topics below.

Everything you actually need to know for your Unit 9 test, pulled directly from the AP® Physics C: Electricity and Magnetism curriculum.

Topic 9.1
~5 min
Review
Electric Potential Energy
Electric Potential Energy
  • What Electric Potential Energy Is
  • Electric Potential Energy Between Two Point Charges
  • Electric Potential Energy of a System of Multiple Charges
Review
Topic 9.2
~6 min
Review
Electric Potential
Electric Potential
  • What Electric Potential Is
  • Electric Potential from Charges
  • Relationship Between Electric Potential and Electric Field
Review
Topic 9.3
~6 min
Review
Conservation of Electric Energy
Conservation of Electric Energy
  • Electric Potential Energy and Potential Difference
  • Conservation of Energy in an Electric Field
  • How Charge Sign Affects Motion and Energy
Review

Notes

1 credit used · 5/5 remaining