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mt2-2007 - P HY S-102 GEN ERA L PHY SI CS I I Midterm II...

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PHYS-102: GENERAL PHYSICS II Midterm II, April. 28, 2007 Duration: 120 minutes NAME: ………………………………………..……………………………….. Section: ……… Q1 Q2 Q3 Q4 Q5 Total Instructions: 1. Read questions carefully. 2. Write solution with clarity and necessary comments (explanations). 3. Use legible writing especially in formulas. 4. Do not forget to check your results by means of analysis of dimensions. Note: Solutions will be available at physics.bilkent.edu.tr/phys102.html just after the exam. GOOD LUCK
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Question 1 : Two initially uncharged identical capacitors of capacitance C are connected in series across a total potential V . A slab with a dielectric constant κ can fill one of the two capacitors and is slowly inserted to that capacitor. (a) Calculate the final charges and potentials on each capacitor. (b) Calculate the change in the total stored energy of the two capacitors when just before and after the dielectric is fully inserted.
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