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Unformatted text preview: Physics 2020 Exam 2 Review Questions Dr. Luttermosers Class 1. How is emf different from potential difference? What is a load resistance ? 2. One can often reduce a complicated circuit to a simple circuit. How do resistors add in a parallel circuit? And in a series circuit? 3. What is Kirchhoffs loop and junction rules (note that you will not be asked to solve problems with Kirchhoffs rules, but you still need to know there definitions)? 4. What is an RC circuit? What is an e-folding time and how is it related to a capacitors time constant? How does the charge on a capacitor change with time in an RC circuit (both directions)? 5. Review the summary of Chapter 18 in the textbook and learn the definition of all boldface terms in this chapter. 6. Review Examples IV-3 (RC circuits) in the class notes. Make sure you understand CAPA Problems 2.1 (reduced resistor) and 2.3 (RC circuit). Finally, make sure you understand how to do the Supplemental Homework Problem Set 2: 1 (reduced resistor) and 3 (Serway & Vuille Textbook Problem: SV 18.32, RC circuit).and 3 (Serway & Vuille Textbook Problem: SV 18....
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- Fall '08