Exam 3 Practice Problems

# Exam 3 Practice Problems - Exam 3 Practice Problems 1. Find...

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Exam 3 Practice Problems 1. Find the Thévenin equivalent circuit. Treat the 24 resistor as a load resistor. 10A 300V 40 4 6 8 10 24 + Vo - V TH = 240.V R TH = 24.0 2. Find the Thévenin equivalent circuit. Treat the 2 resistor as a load resistor. 4A 10A 10V 4 5 1 40 2 Io V TH = 10.0V R TH = 8.00 3. Find the Thévenin equivalent circuit. Treat the 1 resistor as a load resistor. 52V Ix 6 3 1 26A Ix + Vout - V TH = 110.5V R TH = 2.25

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4. Find the Thévenin equivalent circuit. Treat R L as a load resistor. 0.01V ab 200 0.2V ab 50 100 R L + V ab - V TH = 0V R TH = 192. 5. Find theThévenin equivalent circuit for the circuit below. 63V 300 100 600 600 R L =50 28.0V 200. 6. Find the Thévenin equivalent of the circuit below as a function of α. α Ix 1 2 1 Ix (2.5 + α )/1.5 7. Find the Thévenin and Norton equivalent circuits for the circuit below. 100V 0.1A 2000Ix 400 800 Ix -260.V 1.60k 0.163A
8. Find the Thévenin and Norton equivalent circuits for the circuit below. .06V 1 30mA 400 100 - V 1 + 15.0V -100. 150.mA -100. 9. Find the value of R L for maximum power transfer using the circuit below. Also find the power dissipated in R L . 2mA 24V 12k 8k 6k R L R L = 12.0k for max power transfer Pmax = 12.0mW 10. Find the value of R L for maximum power transfer using the circuit below. Also find the power dissipated in R L . 16V 2k 9mA 10Ix 3k R L Ix R L = 3.00k for max power transfer Pmax = 75.0mW

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11. Find the value of R L for maximum power transfer using the circuit below. Also find the power dissipated in R L . 0.1A 0.0015V L 200 400 1k R L + V L - R L = 240. Pmax = 66.0mW 12. Find the Thevenin equivalent circuit seen by the resistor RL. Use R1 = 14 , R2 = 1 , R3 = 4 ,R4 = 8 , R5 = 24 , and R6 = 15 . 15Ω 4Ω 24Ω 14Ω 1Ω 8Ω RL 10V 8A V TH = 2.50 V; R TH = 6.00 13. The circuit below is part of an audio amplifier. It is desired that the speaker, which is represented by an 8- resistor, gets maximum power. Select the value of R for which this will occur.
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## This note was uploaded on 04/16/2008 for the course EE 302 taught by Professor Mccann during the Fall '06 term at University of Texas.

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Exam 3 Practice Problems - Exam 3 Practice Problems 1. Find...

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