5407Exam1Blank

5407Exam1Blank - Physics 54 S07 Exam 1 Name Part I: Short...

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Physics 54 S07 Exam 1 Name Section: Part I: Short Answer (3pts each) Circle the correct answer: 1) q A conical volume contains a charge q = 8.85 μ C. The flux out of the circular base is 3 x 10 5 N-m 2 /C. The flux out of the rest (top) of the cone is: a) 0. b) - 7 x 10 5 N-m 2 /C c) - 3 x 10 5 N-m 2 /C d) + 7 x 10 5 N-m 2 /C Use ε 0 = 8.85 x 10 -12 . q 2) A hollow conducting sphere with a net charge of zero has a charge q inside. The charge on the outer surface of the sphere is: a) -q. b) 2q c) q d) 3q
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3) Two graphite resistors with identical resistivity are shown. Which has the larger resistance? (numbers denote sizes in mm) a) The left one. b) The right one. c) Cannot determine. d) Both have the same resistance. 4) Two identical capacitors are separately charged to different voltages and then disconnected from the voltage sources. Then their + terminals are connected together and their – terminals are connected together. After they are connected: a) The sum of the positive charges on the + plates is conserved. b) The voltage between the + and – terminals on each capacitor is unchanged. c)
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5407Exam1Blank - Physics 54 S07 Exam 1 Name Part I: Short...

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