Practice Midterm Exam 1 - Spring 2003 - Electrical Circuits | EE 261, Exams of Microelectronic Circuits

Download Practice Midterm Exam 1 - Spring 2003 - Electrical Circuits | EE 261 and more Exams Microelectronic Circuits in PDF only on Docsity! - p. 1 of 5 - University of P☺rtland Sch☺☺l of Engineering EE 261-Electrical Circuits-3 cr. hrs. Spring 2003 Midterm Exam # 1 (Friday, February 14, 2003) (Closed Book Exam, One Formula Sheet is Allowed) (Total Time: 55 minutes) Name:_______________________☺ Signature:___________________ ☺ “An honest mind possesses a kingdom.” Lucius Annaeus Seneca (4B.C.−65A.D.) “Honest people are the true winners of the universe.” Anonymous - p. 2 of 5 - NOTE: On all the problems, please show your work clearly, and provide the appropriate units for your answers. Also mark on the schematic to show any current or voltage that you define in your solution. 1. (25 points) Consider the resistive dc circuit as shown. a) Find the value of the current ix through the 12-kohm resistor. (Provide its appropriate unit.) (Answer: ~ 0.133 mA.) b) Calculate the total energy absorbed by the 12-kohm resistor over a period of 2.5 minutes, and provide the appropriate units. (Answer: 32 mJ.) 24 kohms12 kohms 10 kohms 36 kohms 9 V 18 kohms ix