2. A charge q = - 2.0 C moves in the opposite direction of a uniform electric field of 100 V/m by a distance of 3.0m. a. The charge is at a point of (a. higher, b. lower, c. same) potential before moving. b. After moving, the potential energy of the charge a. increases. b. decreases. c. does not change. c. What is the change in the potential energy?

4. charge moves a distance of 2.0 cm in the direction of a uniform electric field whose magnitude is 215 N/C. As the charge moves, its electrical potential energy decreases by 6.9 x10-19 J. Find the charge on the moving particle. What is the potential difference between the two locations?

Three Charges are arranged as shown. All charges are 1C in magnitude and have the signs shown. Point X is indicating a location 2m where no charge is located. 3) The direction of the electric field at point X is in which quadrant? a. Up and Right b. Up and Left c. Down and Left d. Down and Right e. It is Zero 4) The electric potential at Point X is closest to a. Zero b. C. d. e. 2.3x10⁹ V 3.9x10⁹ V 4.5x10⁹ V 5.4x10⁹ V X 2 m (+) 1C (+) 1C 2 m O -1 C

21. Two metal plates are charged and are measured to have a potential difference of 15.0 V. An electron is placed near the negative plate and released. What is the kinetic energy of the electron when it reaches the positive plate? a. 24.0 x 10¹ b. 9.9 x 10-¹9 1.0 x 10-¹9 J 13.4 x 10-19 j c. d.