HW__11_P2213_S09

# HW__11_P2213_S09 - Physics 2213 Read Homework#11 Spring...

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Physics 2213 Homework #11 Spring 2009 Read: Chapter 30, sections 30.5 (30.6 for conceptual understanding); Chapter 31, all Learning Goals: (Be sure you understand where and how each goal in each assignment applies to our homework, discussion, lecture, and lab activities.) * Explain how a basic LC circuit works, and calculate values of electric charges, voltages, currents, and energies in such a circuit. * Sketch graphs of electric charges, voltages, currents, and energies as functions of time in a free-running series LC, LR, or LCR circuit, and identify equations that describe these graphs. * Explain what AC (alternating current is), and draw graphs of currents, voltages, and power in AC circuits. * Relate the maximum and rms values of currents and voltages in AC circuits, and calculate average power using maximum and rms voltages and currents. * Use the Method of Phasors to illustrate how an AC driven series LC, LR, RC, or LCR circuit works and how its voltages and currents are related, including phase shifts. * Explain what reactance and impedance are, and use them to relate and calculate current and voltage amplitudes and phases in AC circuits. * Explain how an electrical transformer works and its role in electric power delivery.

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HW__11_P2213_S09 - Physics 2213 Read Homework#11 Spring...

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