final_F03

final_F03 - EE 70 Final Exam Closed Book, Calculators...

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EE 70 Final Exam Closed Book, Calculators Allowed Two Pages of Notes Allowed (8.5” x 11”, both sides ok) Tuesday, December 9th (8 am – 11 am) Please do all of your work on a separate sheet of paper Final answers should be circled next to your work To receive full (or partial) credit, you must show your work Unless otherwise specified, each question is worth two points For problems 1–3, consider the following circuit: R 1 R 2 V s L C Given V s = 2e 0j , ϖ = 2, R 1 = 4 , R 2 = 4 , L = 2 H, and C = 0.25 F. The objective is to use mesh analysis to find the two mesh currents. 1. Using KVL, write two equations in terms of phasor voltages. (Redraw the circuit and clearly define the phasor voltage polarities) Convert the phasor voltages of the passive elements into phasor currents. (make sure to clearly define your phasor currents) 2. Solve for the two mesh currents. Show all steps. (“done on calculator” is not a sufficient answer and will not result in full credit) Answers can be left in phasor
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final_F03 - EE 70 Final Exam Closed Book, Calculators...

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