HW__4_P2213_S09 - Physics 2213 Homework #4 Spring 2009 *...

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Physics 2213 Homework #4 Spring 2009 *** PRELIM EXAM #1 is scheduled for 7:30-9 PM on Thursday evening, February 26. It will cover textbook Chapters #21-23, 25, 26; Homeworks #1-5; Lab Units #1-3; and all lecture questions, examples, theory, discussions, and demonstrations. Persons with conflicts or special needs please contact Dr. Kregenow (kregenow@cornell.edu) ASAP to make appropriate arrangements. NO GRAPHING or PROGRAMMABLE CALCULATORS may be used at the exam. *** Read: Chapter 25, sections 25.3-5; Chapter 26, intro., section 26.1 Handout: Ideal Electric Circuit Rules, Kirchhoff's Circuit Rules Learning Goals: (Be sure you understand where and how each goal in each assignment applies to our homework, discussion, lecture, and lab activities.) * Explain how electrical conductivity of different kinds of materials depends on temperature — conductors, semiconductors, superconductors. * Know and be able to apply the relationships between current I and voltage V for different kinds of circuit elements — resistors, light bulbs, batteries, ammeters, voltmeters, etc. * Relate magnitudes and directions or polarities of electric currents, voltages, and fields in simple electric circuits.
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HW__4_P2213_S09 - Physics 2213 Homework #4 Spring 2009 *...

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