1. 20-1 Physics I Class 20 The Electric Field

2. 20-2 What Is a Field?

3. 20-3 Temperature Map (Temperature Field)

4. 20-4 Coulomb’s Law of Electrostatic Force (Review)

5. 20-5 Superposition of Electrostatic Forces (Review)

6. 20-6 The Idea of Electric Field (Step 1)

7. 20-7 The Idea of Electric Field (Step 2)

8. 20-8 The Idea of Electric Field (Step 3)

9. 20-9 The Electric Field of a Point Charge (as a Source)

10. 20-10 Example Problem

11. 20-11 Example Problem The Six-Step Method

12. 20-12 Example Problem Solution

13. 20-13 Class #20 Take-Away Concepts

14. 20-14 Activity #20 Electric Fields