Magnetism and electromagnetism | AP®︎/College Physics 2 | Khan Academy
Explore the relationships between moving charges, the magnetic fields they generate, and the magnetic forces that act on other moving charges in those fields. Discover the natural symmetry between electricity and magnetism and how electromagnetic induction powers technology in modern society.
概览
收录于
2026年3月18日
学科与领域
physics · magnetism-electromagnetism
年级范围
十年级（高二）–十二年级（高四）
页面类型
Course
简介
Magnetism and Electromagnetism Overview
- Core Subject: The relationship between moving charges, generated magnetic fields, and magnetic forces.
- Key Concepts:
- Magnetic Fields: Visualization via field lines and determining direction using the right-hand rule (cross product).
- Magnetic Forces: Analysis of forces acting on moving charges and current-carrying conductors.
- Electromagnetic Induction: Study of Faraday’s law (magnitude of induced EMF) and Lenz’s law.
- Practical Applications: Understanding how electromagnetic induction powers modern technology and the symmetry between electricity and magnetism.
- Course Structure:
- Includes two quizzes and a final unit test.
- Features applied practice problems for straight current-carrying conductors and forces on conductors.
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