ECE 209 - 01 Network Analysis IIBy: Z. Aliyazicioglu ECE209-2-1 California State Polytechnic University, Pomona Electrical & Computer Eng. Dr. Zekeriya Aliyazicioglu ECE 209 - 01 Network Analysis II Exam #2 Name:__________________________ October 29, 2001 1. The average power in the 60Ω resistor is 240W. Find the complex power of each branch of the circuits. What is the source voltage Vg and overall complex power of the circuit? (35 point) Vg 20Ω 60Ω 30Ω j20Ω -j20ΩBy: Z. Aliyazicioglu ECE209-2-2 Name:__________________________ 2. If ( ) 150cos10000gvt tV=in the following circuit: a. Determine the load impedance that absorbs the maximum average power. b. Find the maximum average power transferred to load. c. What is the overall average power in the circuit? (30 point) 6H 2.5nFVg ZL 60kΩBy: Z. Aliyazicioglu ECE209-2-3 Name:__________________________ 3. For the following circuit: a. Find the average and reactive powers at the terminals of the voltage sources. b. Find the average and reactive powers associated with each impedance branch in the circuit. c. Check the balance between delivered and absorbed average power. d. Check the balance between delivered and absorbed reactive power. e. Find the power factor (35 point) Vg 50Ω 40Ω j60Ω -j80Ω
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