Fa07-MT2-Lee-Exam

# Fa07-MT2-Lee-Exam - Physics 7B, Fall 2007, Section 2,...

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Second Midterm Examination, Tuesday November 6, 2007 Please do work on these pages. You can use the backs and there is extra paper at the end. You may use one double-sided 3.5” x 5” index card of notes and a calculator. Test duration is 110 minutes. Please be explicit in your derivations and show your work. NAME: SECTION: (Giancoli Ch 24, problem 8) 1) Connecting Capacitors. A capacitor with C = C 1 is charged to V 1 and a second capacitor with C = C 2 is charged to V 2 . (20 points total) a) These capacitors are then disconnected from their batteries, and the positive plates are now connected to each other and the negative plates are connected to each other. What will be the potential difference across each capacitor and the charge on each? (10 pts) b) What is the voltage and charge for each capacitor if plates of opposite sign are connected? (10 pts)

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## Fa07-MT2-Lee-Exam - Physics 7B, Fall 2007, Section 2,...

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