Magnetism and Transformers


Description:

An introduction to the principles that define magnetism, the various types of magnets available today, the methods used to produce magnets, and the various theories on the nature of magnetism

Learning Outcome:

Upon the completion of this module, you will be able to:

  1. Describe the concept of magnetism
  2. List the different types of magnets
  3. Distinguish between "permanent" and "temporary" magnet
  4. State the two basic theories of magnetism

Topic 1: Magnetism and Types of Magnets

  • Topic Introduction and Objectives
  • Magnetic Poles
  • Magnetic Fields and Circuits
  • Check-Point Question
  • Types of Magnets
  • Natural Magnets
  • Artificial Magnets
  • Methods of Producing Artificial Magnets
  • High and Low Permeability
  • Check-Point Question
  • Topic Summary

Topic 2: Nature of Magnetism

  • Topic Introduction and Objectives
  • Molecular Theory
  • Magnetic Poles of a Broken Magnet
  • Further Evidence for the Molecular Theory
  • Domain Theory
  • Domains and Magnetic Fields
  • Check-Point Question
  • Topic Summary
  • Assessment