UNIT IX. MAGNETISM
9.1 The Nature of Magnetism
- Learn the origin of magnetism in materials.
9.2 Magnetic Poles
- Describe the magnetic poles and the interactions between magnets.
- Calculate the magnetic field magnitude.
9.3 The Generator
- Explain how an electric generator works and how it differs from
9.4 The Transformer
- Describe a transformer and solve problems involving voltage,
current and turn ratios.