ENGR201H_2020F_MIDTERM2 - Oregon State University ENGR 201H Electrical Fundamentals I Fall 2020 Midterm Exam#2 Time Allowed 80 minutes MIDTERM

ENGR201H_2020F_MIDTERM2 - Oregon State University ENGR...

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Page 1 of 5 Oregon State University Midterm Exam #2 ENGR 201H Electrical Fundamentals I Time Allowed: 80 minutes Fall 2020 MIDTERM EXAM #2 Instructions for this exam: You must work alone. You may use a calculator. You can consult the textbook, course Canvas materials, and your own notes; no other resources are allowed (including other people). Write you solutions out on paper and submit a scanned PDF; writing on a tablet and exporting is also acceptable. Show all work to receive partial credit for a solution. Box final answers and use correct units. You have 80 minutes to complete the exam, including scanning and uploading ; be sure to leave time for this. There are four problems, not all of equal value. Total points possible: 80
Page 2 of 5 1) Consider the circuit diagram below: a. Write mesh equations around i 1 , i 2 , and i 3 as drawn. [12 points] b. Solve for i 1 , i 2 , and i 3 as drawn. [4 points] c. Determine the current Ix as drawn. [2 points] d. Determine the voltage Vx as drawn. [2 points] 67 V 5 V 5 A 38 ± 6 ± 12 ± 40 ± 30 ± Vx + - Ix

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