MULTIPLE CHOICE (2 x 10 = 20 points) Allocated time: 1 hour and 15 minutes 1) Considering the following diagram, what is the direction of the electric field at the dot? A A. a) b) B noilleon B. C C D . d) D 2) Consider a conductor placed in a uniform electric field. Select all corrects statements. (Multiple answers are possible) a) The electric field is zero inside the conductor b) There is a uniform electric field inside the conductor c) Just outside the conductor, the electric field lines are perpendicular to its surface d) Any excess charges reside entirely on the surface of a conductor 3) Rank in order, from largest to smallest, the magnitudes of the electric field at the black dot. 2q a) 3, 2, 1, 4 3 + ) b) 3, 2, 1, 4 c) 1 , 4, 2, 3 2q d) 3, 1, 2, 4 2r 2r 4) A dipole is held motionless in a uniform electric field. When the dipole is released, which of the following describes the subsequent motion? a) The dipole moves to the right. b) The dipole rotates clockwise. c) The dipole rotates counterclockwise. + d) The dipole remains motionless. 5) Doubling the potential across a given capacitor causes the energy stored in that capacitor to a) quadruple. b) double. esisic c) reduce to one-half. d) reduce to one-fourth