Practice Exam 3 - Spring 2007

# Practice Exam 3 - Spring 2007 - PH2200 EXAM III...

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PH2200 EXAM III SPRING 2007 ( ) V V Δ ( ) A I 0 50 100 1. The figure to the right is a current versus potential difference graph for 2 1 0 a material. What is the material’s resistance? (A) 10 .0 Ω (B) 20.0 Ω (C) 30.0 Ω (D) 40.0 Ω (E) 50.0 Ω 2. You are given 3 identical resistors. How many combinations having different resistances can you create using all three resistors? (A) 2 (B) 3 (C) 4 (D) 5 (E) 6 3. An alkaline flashlight battery has an emf of 1.50 V and an internal resistance of 0.120 . What is the electric potential difference across the terminals of the battery if it is delivering a current of 1.00 A? (A) 1.34 V (B) 1.38 V (C) 1.42 V (D) 1.46 V (E) 1.50 V The following information applies to the next two questions. The figure to the right shows five identical bulbs connected to an ideal battery. Initially, all the bulbs are glowing.
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## This note was uploaded on 10/31/2011 for the course EE 101 taught by Professor Gibbons during the Spring '09 term at Michigan State University.

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Practice Exam 3 - Spring 2007 - PH2200 EXAM III...

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