F07 314 HW05 all

# F07 314 HW05 all - EECS 314 Fall 2007 HW 05 Problem 1...

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EECS 314 Fall 2007 HW 05 Problem 1 Student's name ___________________________ Discussion section # __________ (Last name, first name, IN INK) © 2007 Alexander Ganago The big picture 1. Capacitors store energy in the form of electric field. The energy W stored in the capacitor equals W = 1 2 " C " V 2 where C is the capacitance and V is the voltage across the capacitor. Units: if C is in farads and V is in volts, then W is in joules. 2. Capacitors act as open circuits under DC steady-state conditions. They do not conduct DC current, and the voltage across the capacitor is determined by the voltage across the circuit elements (sources, resistors, etc.) with which this capacitor is in parallel. Problem Calculate the energy stored in each capacitor in this circuit. Assume DC steady- state conditions. Show your work.

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Student's name ___________________________ Discussion section # __________ (Last name, first name, IN INK) © 2007 Alexander Ganago The big picture 1. Inductors store energy in the form of magnetic field. The energy W stored in the inductor equals W = 1 2 " L " I 2 where L is the inductance and I is current through the inductor. Units: if L is in henrys and I is in amps, then W is in joules. 2. Inductors act as short circuits under DC steady-state conditions. There is no voltage drop across the inductor under DC steady-state conditions. Problem
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## This note was uploaded on 10/25/2008 for the course EECS 314 taught by Professor Ganago during the Fall '07 term at University of Michigan.

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F07 314 HW05 all - EECS 314 Fall 2007 HW 05 Problem 1...

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