HW__11_P213_S08 - Physics 213 Read Homework#11 Spring 2008...

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Physics 213 Homework #11 Spring 2008 Read: Chapter 30, section 30.4 thru 30.6 Chapter 31 - sections 31.1 thru 31.5 For practice: Chap. 30: Q's #Q30.11-13; E's & P's #30. 21, 23, 27, 39 (not quizzed) Chap. 31: Q's #Q31.1-3, 5, 7-15, 18 E's & P's #31.1, 11, 21, 23, 24, 27, 29, 51, 73 To be prepared for your 2nd recitation section the week of April 16-18: #30.19 [LR Circuit] #30.61 [Measuring L] #30.32 [Radio Tuning Circuit] #30.67 [LRR Circuit with Switch] #30.58 [LC Circuit Energies] Please add: (e) For 2 periods of the circuit's oscillation, draw graphs of the charge q(t) on the capacitor, the current i(t) in the inductor, the voltage v C (t) across the capacitor, the voltage v L (t) across the inductor, the electric energy U C (t) stored in the capacitor, the magnetic energy U L (t) stored in the inductor, and the sum of U C (t) + U L (t), all as functions of time t. Please arrange all your graphs one above another on the same page with their time axes synchronized. #31.19 [Series LCR Circuit] Please add: (f) What is the power factor for the circuit? (g) In order to raise the power factor to the value 1, should you add more capacitance or more inductance in series with the rest of the circuit?
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