Circuits and electromagnetics | Khan Academy
What is electricity, and how is it related to magnetism? Explore the fundamental relationships that power our modern world. **Unit guides are here!** Power up your classroom with engaging strategies, tools, and activities from Khan Academy’s learning experts. [**PDF**](https://bit.ly/3yj24NN)
概览
收录于
2026年3月18日
学科与领域
physics · dc-circuits
年级范围
九年级（高一）–十二年级（高四）
页面类型
Course
简介
Unit 7: Circuits and Electromagnetics
- Core Subject: The fundamental relationships between electricity and magnetism and their real-world applications.
- Key Circuit Topics:
- Voltage and current applications.
- Ohm's law calculations.
- Equivalent resistance and simplifying resistor networks.
- Calculating currents and voltages in pure circuits.
- Electromagnetics Applications:
- Electric motors.
- Electromagnetic induction.
- Electric generators.
- Assessment Structure:
- Three section-specific quizzes.
- One comprehensive unit test.
- Additional Resources: Unit guides and classroom strategies available for educators in PDF format.
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