ee215-au10-fs - EE215: Fundamentals of Electrical...

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EE215: Fundamentals of Electrical Engineering Final Exam Solutions December 16, 2010, 2:30-4:20pm, in class Do not work on this exam until everybody has received their exam and we give the start signal! Name: _________________ Student ID: _________________ Section: _________________ Problem 1 (Network Analysis) (20 points) Use the node-voltage method to find the value of v o in the following circuit. Solution ( : 7 + v o /3 + ( v o – (4+ v x ))/1 = 0 so 4 v o – 3 v x = –9 (1) ((4+ v x )– v o )/1 + v x /2 – 2 v x = 0 so 2 v o + v x = 8 (2) Solving… v x = 5V, v o = 1.5V .
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EE215: Fundamentals of Electrical Engineering Final Exam Solutions Problem 2 (Norton and Thévenin Equivalents) (20 points) (a) Find the Thévenin equivalent with respect to the terminals a and b for the circuit above by finding the open-circuit voltage and the short-circuit current. (b) Solve for the Thévenin resistance by removing the independent sources. Compare your result to the Thévenin resistance found in part (a). Solution : (a) Open circuit voltage… using mesh-current method: (1) –9 + 5( i 1 i 2 ) + 25(
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This note was uploaded on 03/29/2012 for the course EE 215 taught by Professor Unknown during the Spring '05 term at University of Washington.

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ee215-au10-fs - EE215: Fundamentals of Electrical...

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