Please help !!! -1. Two point charges, A and B , with values of 10 m. CHOICE: Se

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Please help !!! -1. Two point charges, A and B , with values of 10 m. CHOICE: Select the best answer. PHY 161 University 61 Date Physics (Ouiz f respectively are separated by a distance electrostatic force on charge A? a. 2.2 X 1o N of 3.0m. What is the magnitude of the 2. Sphere A with a net charge of +30C is touche b. 1.3N d. 80 N c. 20N which has a net charge of +10C. The two spher to a second sphere B, net charge on sphere A is a. +20 C b. -20 C are then separated. The oe d. -10 C c. 10 C 3. If the distance between two electrostatic force is a. the same stationary charged particles is halved, the c. quadrupled n two d.x as large b. doubled 4. A negative charge placed midway between a positive and a negative charges will experience a force a. towards the positive charge c. equal to zero b. towards the negative charge d. not enough data to determine the direction e diagram at the right shows two positive charges+Qs and +Q w same magnitud of the line joining them is a. e. The electric field at point P on the perpendicular bisector b. C. proton is moving horizontally north in an electric field pointed vertically upward. The force on the proton is a. zero -6. A d. to the west c. downward b. upward Positive charge is uniformly distributed on a semicircular rod. See the diagram below. What is the direction of the field at point P, the center of the rod? 7. C. b. the charge of an electron c. the ratio of charge to mass for an electron 8·The purpose of Millikan's oil drop experiment was to determine: a. the mass of the electron c. viscosity

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