About This Chapter
How It Works:
- Identify the lessons in the Holt McDougal Electric Forces and Fields chapter with which you need help.
- Find the corresponding video lessons within this companion course chapter.
- Watch fun videos that cover the electric forces and fields topics you need to learn or review.
- Complete the quizzes to test your understanding.
- If you need additional help, rewatch the videos until you've mastered the material or submit a question for one of our instructors.
Students will learn:
- The definitions of force and electric charge
- The types of conductors and insulators
- The meaning of Coulomb's Law
- How Coulomb's Law and electric fields are connected
- The importance of spacing and arrow direction in electric field diagrams
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1. Electric Charge and Force: Definition, Repulsion & Attraction
Have you ever wondered what electricity is and where it comes from? Have you ever been zapped by static electricity and wondered how it got there? We'll answer all of these questions in this lesson on electric charge and force!
2. Insulators and Conductors: Examples, Definitions & Qualities
In this lesson, we'll explore the reasons that some materials conduct electrical energy with ease while others block it almost completely. We'll also talk about the property of conductivity and some everyday examples of insulators and conductors.
3. Coulomb's Law: Variables Affecting the Force Between Two Charged Particles
In the 18th century, Charles Coulomb uncovered the secrets of electrostatic force between charged particles. The results of his experiments led to what is now known as Coulomb's Law, which tells us how force, charge, and distance are all related.
4. Strength of an Electric Field & Coulomb's Law
After watching this lesson, you will be able to explain what an electric field is, distinguish between scalar and vector fields and use two electric field equations to solve problems. A short quiz will follow.
5. Electric Force Fields and the Significance of Arrow Direction & Spacing
Did you know that force fields don't just exist in science fiction movies? In this lesson, we'll explore the electric force fields that surround charged particles and how we can draw diagrams that represent them.
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Other chapters within the Holt McDougal Physics: Online Textbook Help course
- Holt McDougal Physics Chapter 1: The Science of Physics
- Holt McDougal Physics Chapter 2: Motion in One Dimension
- Holt McDougal Physics Chapter 3: Two-Dimensional Motion and Vectors
- Holt McDougal Physics Chapter 4: Forces and the Laws of Motion
- Holt McDougal Physics Chapter 5: Work and Energy
- Holt McDougal Physics Chapter 6: Momentum and Collisions
- Holt McDougal Physics Chapter 7: Circular Motion and Gravitation
- Holt McDougal Physics Chapter 8: Fluid Mechanics
- Holt McDougal Physics Chapter 9: Heat
- Holt McDougal Physics Chapter 10: Thermodynamics
- Holt McDougal Physics Chapter 11: Vibrations and Waves
- Holt McDougal Physics Chapter 12: Sound
- Holt McDougal Physics Chapter 13: Light and Reflection
- Holt McDougal Physics Chapter 14: Refraction
- Holt McDougal Physics Chapter 15: Interference and Diffraction
- Holt McDougal Physics Chapter 17: Electrical Energy and Current
- Holt McDougal Physics Chapter 18: Circuits and Circuit Elements
- Holt McDougal Physics Chapter 19: Magnetism
- Holt McDougal Physics Chapter 20: Electromagnetic Induction
- Holt McDougal Physics Chapter 21: Atomic Physics
- Holt McDougal Physics Chapter 22: Subatomic Physics