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Unformatted text preview: Problem 3: Find the current I o through the 2 resistor using Thevenins theorem. That is, fnd the Thevenin equivalent or the circuit without the 2 resistor present, across the terminals where the 2 resistor is connected. Draw the Thevenin equivalent circuit. Attach a 2 resistor to the Thevenin equivalent and compute the current through it using that simple circuit. V x I o + _ 8 4 4 12 12V+ + _ 2 x 2V Problem 4: For this circuit, suppose that V c ( t ) is described by the function given below right. That is, V c ( t ) = 0 for t , V c ( t ) = t for &lt; t 1 , and V c ( t ) = 1 for t &gt; 1 . Find expressions for the following 5 things: (a) i ( t ) , (b) i R ( t ) , (c) V R ( t ) , (d) V s ( t ) , and (e) V o ( t ) . Your nal expressions should be functions of t but you should not have any variables such as V c ( t ) in your nal expressions. (You do not need to sketch any of them). ++ V SV R + C V+ + VR V C 2 2F i i t 1 1...
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This note was uploaded on 03/01/2010 for the course ECE 53 taught by Professor Cheng during the Spring '08 term at UCSD.
 Spring '08
 Cheng

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