ECOR 1043 CD - Mock Final (2)

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University of Ottawa *

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4141

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Electrical Engineering

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Apr 3, 2024

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Peer Assisted Study Sessions (PASS) Facilitator: Braeden Kloke (he/him) ECOR 1043 CD It is most beneficial to you to write this mock midterm UNDER EXAM CONDITIONS . This means:  Complete the midterm in 1 hour and 50 minutes.  Work on your own and attempt every question.  Keep your notes and textbook closed. After the time limit, go back over your work with a different colour or on a separate piece of paper and try to do the questions you are unsure of. Record your ideas in the margins to remind yourself of what you were thinking when you take it up at PASS. The purpose of this mock exam is to give you practice answering questions in a timed setting and to help you to gauge which aspects of the course content you know well, and which are in need of further development and review. Use this mock exam as a learning tool in preparing for the actual exam. Please note:  Complete the mock exam before attending the take-up session. During the session you can work with other students to review your work.  Often, there is not enough time to review the entire exam in the PASS workshop. Decide which questions you want to review the most – the Facilitator may ask students to vote on which questions they want to discuss in detail.  Facilitators will not distribute an answer key for mock exams. The Facilitator’s role is to help students work together to compare and assess the answers they have. If you are not able to attend the PASS workshop, you can work alone or with others in the class.  PASS worksheets and mock exams are designed as a study aid only for use in PASS workshops. Worksheets and mock exams may contain errors, intentional or otherwise. It is up to the student to verify the information contained within by attending the PASS workshop. Good Luck writing the Mock Exam! Take-up Session #1 : Tuesday February 27, 4:35 – 6:25 pm (ME 3275) Take-up Session #2 : Friday March 1, 10:35 am – 12:25 pm (TC 214) Office Hour: Tuesday February 27, 3:35 – 2:25 pm (ML 453) Contact Information: braedenkloke@cmail.carleton.ca

Peer Assisted Study Sessions (PASS) Facilitator: Braeden Kloke (he/him) Table of Contents Multiple Choice Questions: ...................................................................................................... 2 Circuit Analysis Questions: ....................................................................................................... 4 Multiple Choice Questions: 1. One volt (V) is equivalent to … a. One Joule / Coulomb b. One Joule / second c. One Coulomb / second d. One Coulomb 2. Capacitance is measured in … a. Ohms b. Farads c. Henry d. Coulombs 3. Select all passive circuit elements: a. Voltage sources b. Current sources c. Generators d. Capacitors 4. True or false, the voltage across a resistance is inversely proportional to the current flowing through it. a. True b. False 5. True or false, elements are in series if they carry the same current. a. True b. False 6. True or false, in a single loop circuit with multiple resistors and a voltage source, we can find the voltage across any resistor using Voltage Divider. a. True b. False

Peer Assisted Study Sessions (PASS) Facilitator: Braeden Kloke (he/him) 7. A mesh loop is: a. A loop that contains at least one branch which is not a part of any other independent loop. b. A loop that does not enclose any other loop. c. A current that is assumed to flow around a loop. d. A loop current associated with a mesh. 8. Any voltage source in series with resistance can be modeled as … a. A voltage source in parallel with the same resistance b. A current source in series with the same resistance c. A current source in parallel with the same resistance d. None of the above 9. Reactance is frequency … a. Dependent b. Independent c. Codependent d. None of the above 10. Which component acts as an open circuit at DC (0Hz) and a short circuit at very high- frequencies (infinite)? a. Resistors b. Capacitors c. Inductors d. None of the above 11. True or false, a passive filter is one that contains an energy source along with R, L, and C components. a. True b. False 12. Which of the following statements are true about decibels (dB)? a. The dB is a linear way of describing a ratio. b. The dB is a logarithmic way of describing a ratio. c. The ratio is always in voltage. d. Once we have our values in dB, we can plot our transfer function, this is called a Bode plot.

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Peer Assisted Study Sessions (PASS) Facilitator: Braeden Kloke (he/him) Circuit Analysis Questions: 1. What is the maximum number of independent loops for the circuit given in Fig. 1. a. 1 b. 2 c. 3 d. 4 Figure 1 2. Determine the power associated with the circuit element for the circuit given in Fig. 2. a. 3 W b. 48 W c. -3 W d. -48 W Figure 2

Peer Assisted Study Sessions (PASS) Facilitator: Braeden Kloke (he/him) 3. Find the power dissipated in the 2Ω resistor for the circuit given in Fig. 3. Suggestion: Use mesh analysis a. 12 W b. 48 W c. 60 W d. 72 W Figure 3 4. What is the value of the Thevenin resistance (R TH ) as seen from the terminal ab for the circuit given in Fig. 4. a. 2 ㏀ b. 4 ㏀ c. 6 ㏀ d. 8 ㏀ Figure 4

Peer Assisted Study Sessions (PASS) Facilitator: Braeden Kloke (he/him) 5. What is the value of the short-circuit current (I SC ) across terminal ab for the circuit given in Fig. 5. a. 1 mA b. 2 mA c. 3 mA d. 4 mA Figure 5 6. Find the magnitude of the transfer function for the circuit given in Figure 6 when ω=0.2. a. 0.02 b. 0.2 c. 1 d. 2 Figure 6

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Peer Assisted Study Sessions (PASS) Facilitator: Braeden Kloke (he/him) 7. Given R1 = 12kΩ, R2 = 6kΩ, R3 = 3kΩ, R4 = 2kΩ, R5 = 3kΩ, R6 = 2kΩ and R7 = 4kΩ find equivalent resistance R ab as seen from terminal ab for the circuit given in Fig. 7. a. 1 kΩ b. 2 kΩ c. 3 kΩ d. 4 kΩ Figure 7