BIOL 317 Midterm: BIOL 317 UW 2013 Exams Summer 12 Midterm
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Part i. lecture multiple choice (43 points total: (5 pts. ) The voltage between the cathode and the screen of a television set is 22 kv. Which points in the diagram are at the same potential: 2 and 5, 2, 3, and 5, 2 and 4, 1 and 5, 1 and 4, (5 pts. ) You assemble the system of point charges q1 = 1 c, q2 = 2 c, and q3 = 3 c at the corners of an equilateral triangle whose side s = 30 cm. What is the electrostatic potential energy of the system? (assume u = 0 at infinity: 1. 10 j, 0. 990 j, 0. 631 j, 0. 330 j, 0. 123 j, (4 pts. ) A parallel plate capacitor filled with air is connected to a battery. A solid conducting sphere of radius a is centered on the origin, and carries a total charge q1.
