Chapter 7 Outline

Electric Charge

• Electron Theory of Charge

  • Electric Charge and Electrical Forces

  • Electrostatic Charge

  • Electrical Conductors and Insulators

• Measuring Electrical Charges

• Measuring Electrical Forces

• Force Fields

• Electric Potential

Electric Current

• The Electric Circuit

• The Nature of Current

• Electrical Resistance

A Closer Look: Household Circuits and Safety

• Electrical Power and Electrical Work

Magnetism

• Magnetic Poles

• Magnetic Fields

• The Source of Magnetic Fields

  • Permanent Magnets

  • Earth's Magnetic Field

Electric Currents and Magnetism

• Current Loops

A Closer Look: Electromagnetic Fields and Health

• Applications of Electromagnets

  • Electric Meters

  • Electromagnetic Switches

  • Telephones and Loudspeakers

  • Electric Motors

Electromagnetic Induction

A Closer Look: The Home Computer and Data Storage

• Generators

• Transformers

A Closer Look: Solar Cells