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# chapt27

Course Number: PHYSICS 2049, Spring 2009

College/University: Vanderbilt

Word Count: 4292

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Chapter 27: Circuits Problem 1 A wire of resistance 5.0 is connected to a battery whose emf E is 2.0 V and whose internal resistance is 1.0 . In 2.0 min, how much energy is (a) transferred from chemical to electrical form in the battery, (b) dissipated as thermal energy in the wire, and (c) dissipated as thermal energy in the battery? Answer (a) 80 J; (b) 66.7 J; (c) 13.3 J Solution (a) The energy transferred...

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