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Material Type: Exam; Professor: Inan; Class: Electrical Circuits; Subject: Electrical Engineering; University: University of Portland; Term: Fall 2003;
Typology: Exams
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NOTE: On all the problems, please show all your work, and provide the appropriate units for your answers. Also mark on the schematic to show any currents or voltages that you define in your solution.
3 Ω
2 Ω 2 A^ 1 A
a b
15V 1 5 kΩ
5 kΩ 2 0 kΩ
R (^) L
4 kΩ 3 mA
(a) (15 Points) Determine the value of the resistance R L so that R L absorbs the maximum possible power from the circuit. (Answer: 14 kΩ.)
(b) (10 Points) What is the maximum power delivered to R L for the value of R L found in part (a)? (Answer: ~4.018 mW.)
5 mA 2 kΩ^ 10 mH
t=0 s
10 μF
8 kΩ
(a) (7 Points) Find i ( 0 +). (Answer: 0 A.) (b) (6 Points) Find v ( 0 +). (Answer: 10 V.)