1. © 2012 Pearson Education, Inc. { Chapter 23 Electric Potential (cont.)

2. © 2012 Pearson Education, Inc. When a positive charge moves in the direction of the electric field, A. the field does positive work on it and the potential energy increases. B. the field does positive work on it and the potential energy decreases. C. the field does negative work on it and the potential energy increases. D. the field does negative work on it and the potential energy decreases. Q23.1 +q+q Motion

3. © 2012 Pearson Education, Inc. When a positive charge moves in the direction of the electric field, A. the field does positive work on it and the potential energy increases. B. the field does positive work on it and the potential energy decreases. C. the field does negative work on it and the potential energy increases. D. the field does negative work on it and the potential energy decreases. A23.1 +q+q Motion

4. © 2012 Pearson Education, Inc. A. the field does positive work on it and the potential energy increases. B. the field does positive work on it and the potential energy decreases. C. the field does negative work on it and the potential energy increases. D. the field does negative work on it and the potential energy decreases. Q23.2 +q+q Motion When a positive charge moves opposite to the direction of the electric field,

5. © 2012 Pearson Education, Inc. When a positive charge moves opposite to the direction of the electric field, A. the field does positive work on it and the potential energy increases. B. the field does positive work on it and the potential energy decreases. C. the field does negative work on it and the potential energy increases. D. the field does negative work on it and the potential energy decreases. A23.2 +q+q Motion

6. © 2012 Pearson Education, Inc. When a negative charge moves in the direction of the electric field, A. the field does positive work on it and the potential energy increases. B. the field does positive work on it and the potential energy decreases. C. the field does negative work on it and the potential energy increases. D. the field does negative work on it and the potential energy decreases. Q23.3 –q–q Motion

7. © 2012 Pearson Education, Inc. When a negative charge moves in the direction of the electric field, A. the field does positive work on it and the potential energy increases. B. the field does positive work on it and the potential energy decreases. C. the field does negative work on it and the potential energy increases. D. the field does negative work on it and the potential energy decreases. A23.3 –q–q Motion

8. © 2012 Pearson Education, Inc. When a negative charge moves opposite to the direction of the electric field, A. the field does positive work on it and the potential energy increases. B. the field does positive work on it and the potential energy decreases. C. the field does negative work on it and the potential energy increases. D. the field does negative work on it and the potential energy decreases. Q23.4 –q–q Motion

9. © 2012 Pearson Education, Inc. A. the field does positive work on it and the potential energy increases. B. the field does positive work on it and the potential energy decreases. C. the field does negative work on it and the potential energy increases. D. the field does negative work on it and the potential energy decreases. A23.4 When a negative charge moves opposite to the direction of the electric field, –q–q Motion