# rev6sm10 - TA Tomoyuki Nakayama Thursday July 8 2010 PHY...

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TA: Tomoyuki Nakayama Thursday, July 8, 2010 PHY 2048: Physics 2 with Calculus, Summer C 2010 Review (Chapter 31.1- 31.11) The purpose of this review is to refresh your memory. Physics is a cumulative subject, so make it sure that you understand basic concepts and typical problem solving techniques in previous chapters before moving on to a new chapter. ________________________________________________________________________________ A. LC Oscillations In the figure on the right, R = 20.0 , C = 5.00 μ F and L = 10.0 mH, and the ideal battery has emf ε = 30.0 V. The switch is kept in position a for a long time and then thrown to position b . What are the current amplitude of the resulting oscillation? B. Series RLC Circuit In an RLC circuit, a variable capacitor is connected in series with a resistor and an inductor, and the combination is connected across an ac source. Assume that R = 2.0 , L = 30 mH and f d = 60 Hz, and ε m = 20 V. What is the maximum average power consumed in the resistor?

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rev6sm10 - TA Tomoyuki Nakayama Thursday July 8 2010 PHY...

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