Chapter 21 potential 第八章静电场 Chapter 21 Electric potential 1. Electric potential and potential difference 2. Relation between electric potential and Electric field 3. The calculation of electric potential 4. Equipotential Surfaces 5. Electrostatic Potential EnergyChapter 21 potential 第八章静电场 1. Electric Potential and Potential Difference 2. Relation Between Electric Potential and Electric Field 3. The Calculation of Electric Potential 4. Equipotential Surfaces 5. Electrostatic Potential Energy