3. If the distance between two charges is quadrupled, how would the electric potential energy change? a doubled b. halved c. quadrupled d. quartered For Nos. 4-8 refer to the diagram at the right -SV 4. What is the direction of the electric field at point B? A. upward c. right b. downward d. left 5. What is the direction of the electric field at point A? a. upward b. downward c. right +10 V OV -10 V d. left 6. Suppose a positive charge was moved from points A to B. What is work done along the path? a. increasing C. zero b. decreasing information d. incomplete 7. Suppose a negative charge was moved from points A to B. What is work done along the path? a. increasing C. zero b. decreasing information d. incomplete 8. At which point is the electric field does zero work on a test charge? a. A and D c. B and C b. A and B d. D and C 9. At which point has higher potential? A. A b. C C. D d. B 10. At which point is the electric field strongest? n. A b. C C. D d. B 11. What is the change in potential energy when a +3.5 C point charge was moved from a negative plate to a positive plate with a potential difference of BV? A. 28 J b. 0,4375 J c. 2.29 J d. OJ 12. What is the magnitude of the electric field between parallel plates with 25 V of potential difference and placed 25 cm apart? a. I N/m b. 1 V/C C. I N/C d. INm/C 13, What is the electric potential at point A when q, = -20 pC and q - +20 pc? A + 10 em 5 cm a.8.0 0 b.1.9 pC c.5.5 C d.2.4 pC