# 电与磁：磁场与力

## Electricity and Magnetism: Magnetic Fields and Forces

Learn how charges create and move in magnetic fields and how to analyze simple DC circuits in this introductory-level physics course.

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edX
• 完成时间大约为 6
• 中级
• 英语

### 你将学到什么

What constitutes simple DC circuits

How charged particles move in magnetic fields

What creates magnetic fields

How to calculate magnetic field strength and direction

How magnetic dipoles work and how to measure them

### 课程概况

Electricity and Magnetism dominate much of the world around us – from the most fundamental processes in nature to cutting edge electronic devices. Electric and magnet fields arise from charged particles. Charged particles also feel forces in electric and magnetic fields. Maxwell’s equations, in addition to describing this behavior, also describes electromagnetic radiation.

In this course, we focus on magnetic fields and forces on charged particles in magnetic fields. We examine different ways of calculating the magnetic field, as well as introducing the ideas of current, resistance and simple direct current (DC) circuits.

This is the second module in a series of three that are based on the MIT course: 8.02, Electricity and Magnetism, a required introductory physics class for all MIT undergraduates, which is being offered as an XSeries. Please visit to learn Introductory Electricity and Magnetism XSeries Program Page for more information and to enroll in all three modules.

This introductory Electromagnetism physics course will require the use of calculus.

### 预备知识

Knowledge of Classical Mechanics (at the level of 8.01x Mechanics Series) will be necessary.
8.02.1x Electricity and Magnetism: Electrostatics
Multivariable Calculus

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