Name: Easton Bufor Date: ID: A Physics - Electricity Multiple Choice (1 pt each) Identify the choice that best completes the statement or answers the question. 1. When a glass rod is rubbed with silk and the rod becomes positively charged, A. protons are added to the silk. D. the silk remains neutral. B. electrons are removed from the silk. E . protons are removed from the silk. electrons are removed from the rod. 2. Two charges with a certain distance apart have an electrostatic force of 400 N acting between them. If the same charges are separated to 4 times their original distance, what will the new electrostatic force be between them? A. 100 N C. 50 N E. 1600 N B. 25 N D. 400 N 3. The nucleus of a carbon atom has a charge of 9.6x10-19 C and the outermost electron has a charge of 1.6x10-19 C. The distance between these two net charges is approximately 7.0x10-11 m. What is the electrical force between the nucleus of a carbon atom and its outermost electron? A. 1.82x10-7 N C. 2.82x10-7 N E. 2.04x10-7 N B. 1.33x10-7 N D. 3.41x10-7 NV 9 1 = AB = qc = 2.2 x 10 5 C 8. 4 X 10- C 3.1 x 10 - C Figure 1 0. 15 m 0.25 m 80 4. For the three charges in Figure 1 above, determine the magnitude (or amount) of the total electrostatic force acting on the middle charge (98) being produced by the other charges. A. 924 N C. 788 N E. 641 N B. 859 N D. 1114 N 5. For the three charges in Figure 1 above, identify the direction of the total electrostatic force acting on the middle charge (9B) being produced by the other charges A. Up C. Out of the page E. Into the page B. Right D. Left Which of the following types of resistors transfers charge most easily? A. semiconductors C. superconductors E. ohms B. conductors D. insulators