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Unformatted text preview: Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Two conductors are joined by a long copper wire. Thus A) the potential on the wire is the average of the potential of each conductor. B) each carries the same free charge. C) each conductor must be at the same potential. D) no free charge can be present on either conductor. E) the electric field at the surface of each conductor is the same. Figure 25.3 The network shown is assembled with uncharged capacitors X, Y, and Z, and open switches, S 1 and S 2 . A potential difference V ab = +120 V is applied between points a and b. After the network is assembled, switch S1 is closed, but switch S 2 is kept open. 2) In Figure 25.3, the energy stored in capacitor X, in mJ, is closest to: A) 7 B) 22 C) 12 D) 37 E) 65 3) In Figure 25.3, the charge on capacitor Y, in C, is closest to: A) 120 B) 360 C) 180 D) 480 E) 240 Figure 24.4 Two large conducting parallel plates A and B are separated by 2.4 m. A uniform field of 1500 V/m, in the positiveTwo large conducting parallel plates A and B are separated by 2....
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- Spring '09