About This Chapter
Electromagnetic Induction & Magnetism - Chapter Summary
Our instructors clearly outline topics related to electromagnetic induction and magnetism in this chapter, including the definition of magnetic force and magnetic fields. You'll also study the theories and calculations associated with electromagnetic solenoids, examples of magnetic permeability and Lenz's Law. This chapter is designed to help you achieve the following outcomes:
- Describe how magnetic fields are created
- Detail some of the uses for a solenoid
- Outline the ways moving charges are affected by magnetic forces
- Explain how circular motion in a magnetic field works
- Identify the equation for Faraday's Law of Electromagnetic Induction
- Discuss the variables that affect electromagnetic induction
- Describe the role transformers play in electromagnetic induction
- Define the Biot-Savart Law
Tackle even the most challenging topics with our easily navigable video and text lessons. Each lesson is followed by a multiple-choice quiz that makes a great test prep tool. For easy study guides, use our printable lesson transcripts to highlight key points and terms. If you have any questions along the way, reach out to one of our instructors for assistance.
1. Magnetic Force: Definition, Poles & Dipoles
You're probably familiar with magnets, but have you ever stopped to consider how they work? In this lesson, we'll look at the root of magnetism and some of the fundamental properties of magnets.
2. What is a Magnetic Field?
Magnetic fields fill the space around all magnets, but they're impossible to detect with our own senses. We'll use a common tool to map out a magnetic field and then discuss ferromagnetic materials to see how a magnetic field can be used to create new magnets.
3. How Magnetic Fields Are Created
Have you ever wondered how magnetic fields are created? In this lesson, we'll discuss the very simple answer to this question and look at how electric current can be used to make electromagnets, which have many everyday applications.
4. What is Solenoid? - Definition, Uses & Examples
In this lesson, you will learn what a solenoid is, how it relates to electromagnets, and how it is used in a few real-life situations. A short quiz will follow.
5. What Is Magnetic Permeability? - Definition & Examples
You may have run across a constant called the permeability of free space in your studies of physics. This constant is intrinsically related to magnetic permeability, and in this lesson, you'll learn what that is and how exactly the two are related.
6. How Magnetic Forces Affect Moving Charges
A magnetic field exerts a force on a moving charged particle in ways that you might not expect. In this lesson, we're going to look at the direction of this force and the factors that affect its strength.
7. Circular Motion in a Magnetic Field
Circular motion depends on an unbalanced force pointing towards the center of a circle. In this lesson, we explore the intricacies of the circular paths charged particles take in magnetic fields, like the mass of the particle and radius of the path.
8. Faraday's Law of Electromagnetic Induction: Equation and Application
Electromagnetic induction allows us to induce voltage with the movement of a magnetic field. Credited to Michael Faraday, this discovery was not only groundbreaking at the time, but it has since led to many applications in everyday life.
9. Electromagnetic Induction: Definition & Variables that Affect Induction
We use electromagnetic induction every day, but do you have any idea what it is? In this lesson, we'll discuss this everyday phenomenon, the factors that affect its strength and its most common applications.
10. Electromagnetic Induction: Conductor to Conductor & Transformers
Every day, we make use of a special case of electromagnetic induction known as mutual induction. In this lesson, we'll talk about this special phenomenon and how it is used in many common devices.
11. The Biot-Savart Law: Definition & Examples
After watching this lesson you will be able to explain what the Biot-Savart Law is, and use the simplified version to solve problems. A short quiz will follow.
12. Lenz's Law, Magnetic Flux and Motional EMF
Did you know that you can produce electricity by simply moving a magnet? In this lesson, learn more about electromagnetic induction and how electricity is generated.
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Other chapters within the MHT-CET: Practice & Study Guide course
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- Using Electricity in Engineering
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- Understanding Sound Waves
- Light Waves
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- Overview of Basic Trigonometry
- Function Operations, Limits & Properties
- Exponents & Logarithms
- Linear Systems
- Vectors in Math
- Introduction to Matrices
- Calculation of Derivatives
- Applications of Derivatives in Calculus
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- Introduction to Genetic Engineering
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- Human Anatomy: Cardiology, Nephrology and Immunology
- Reproduction & Contraception
- Human Disease & Diagnostic Technology
- Origins of Life
- Concepts in Pharmacology
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