# Physics Tutorial 16.13 - Energy Stored in a Magnetic Field. Energy Density of a Magnetic Field. Mutual Induction

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There are 3 lessons in this physics tutorial covering Energy Stored in a Magnetic Field. Energy Density of a Magnetic Field. Mutual Induction. The tutorial starts with an introduction to Energy Stored in a Magnetic Field. Energy Density of a Magnetic Field. Mutual Induction and is then followed with a list of the separate lessons, the tutorial is designed to be read in order but you can skip to a specific lesson or return to recover a specific physics lesson as required to build your physics knowledge of Energy Stored in a Magnetic Field. Energy Density of a Magnetic Field. Mutual Induction. you can access all the lessons from this tutorial below.

In this Physics tutorial, you will learn:

• What is magnetic potential energy? Where is it stored?
• How is the law of energy conservation applied in magnetic fields?
• What is the rate of magnetic potential energy change?
• What is the energy density of magnetic field? How is it calculated?
• What is mutual induction? How is it related to the induced current and induced emf of the two respective circuits?

## Introduction

Do you do any work when moving a nail away from a magnet? What does this mean regarding the energy consumed? Is there any energy stored in the nail due to the magnetic field?

Is the magnetic field produced by a bar magnet equally strong everywhere around the magnet? How do you know this? What visual representation do you use to have a better understanding about the magnetic field strength in a certain region of space?

Do you think a RL circuit stores energy? Where do you base your answer?

Do you think two RL circuits affect the operation of each other when they are very close? Why?

In this tutorial, we will discuss more extensively about some properties of magnetic field such as energy stored in it and the density of this energy, especially in RL circuits, as the most flagrant example of interaction between electricity and magnetism. In addition, how two RL circuits placed near each other affect the operation of each other.

Please select a specific "Energy Stored in a Magnetic Field. Energy Density of a Magnetic Field. Mutual Induction" lesson from the table below, review the video tutorial, print the revision notes or use the practice question to improve your knowledge of this physics topic.

Magnetism Learning Material
Tutorial IDPhysics Tutorial TitleTutorialVideo
Tutorial
Revision
Notes
Revision
Questions
16.13Energy Stored in a Magnetic Field. Energy Density of a Magnetic Field. Mutual Induction
Lesson IDPhysics Lesson TitleLessonVideo
Lesson
16.13.1Energy Stored in a Magnetic Field
16.13.2Energy Density of a Magnetic Field
16.13.3Mutual Induction

## Whats next?

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4. Check your calculations for Magnetism questions with our excellent Magnetism calculators which contain full equations and calculations clearly displayed line by line. See the Magnetism Calculators by iCalculator™ below.
5. Continuing learning magnetism - read our next physics tutorial: Alternating Current. LC Circuits

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