AP®︎ Physics C: E&M Unit 12: Notes & Study Guide

Prepare for your quiz, test, or the AP exam with a comprehensive review on Unit 12 of AP Physics C: E&M – Magnetic Fields and Electromagnetism.

Exam weight: 10%–20%
4 Topics

Unit 12: Magnetic Fields and Electromagnetism

How moving charges and currents produce and experience magnetic forces, governed by the Biot-Savart law and Ampère's law.

Begin with Topic 12.1: Magnetic Fields

To review Unit 12, go through each of the 4 topics below.

Everything you actually need to know for your Unit 12 test, pulled directly from the AP® Physics C: Electricity and Magnetism curriculum.

Topic 12.1
~7 min
Review
Magnetic Fields
Magnetic Fields
  • What a Magnetic Field Is
  • Magnetic Dipoles and Their Behavior
  • Types of Magnetic Materials
Review
Topic 12.2
~6 min
Review
Magnetism and Moving Charges
Magnetism and Moving Charges
  • The Magnetic Field of a Moving Charge
  • Magnetic Force on a Moving Charge
  • Electric and Magnetic Fields Together
Review
Topic 12.3
~7 min
Review
Magnetic Fields of Current-Carrying Wires and the Biot-Savart Law
Magnetic Fields of Current-Carrying Wires and the Biot-Savart Law
  • The Biot–Savart Law
  • Direction and Shape of Magnetic Fields Around a Wire
  • Magnetic Field Results You Must Know
Review
Topic 12.4
~6 min
Review
Ampère’s Law
Ampère’s Law
  • What Ampère’s Law Says
  • Choosing and Using an Amperian Loop
  • Magnetic Fields from Symmetric Current Distributions
Review

Notes

1 credit used · 5/5 remaining