21 Pages

# CH22

Course Number: PHYS 2120, Spring 2008

College/University: TN Tech

Word Count: 8780

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CHAPTER 25 ELECTRIC POTENTIAL ActivPhysics can help with these problems: Activities 11.9, 11.10 Section 25-2: Potential Difference Problem 1. How much work does it take to move a 50- C charge against a 12-V potential difference? Solution The potential difference and the work per unit charge, done by an external agent, are equal in magnitude, so W = q V = (50 C)(12 V) = 600 J. (Note: Since only magnitudes are...

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