EE 302 - Exam 3 - Review Problems

# EE 302 - Exam 3 - Review Problems - DC 25 10 20 100 200V R...

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EE302 Practice Problems for Exam #3 1. Use a series of source transformations to find the current Io flowing through the 2 Ω resistor in the circuit below. Mark the direction of the current Io. DC 10A 40Ω 10V 4A Io 1A 2. When a 15k Ω resistor is connected to the terminals a,b, the voltage V ab is measured to be 45V. When a 5k Ω resistor is connected to the terminals a,b, the voltage V ab is measured to be 25V. Find the Thevenin equivalent between terminals a,b. Linear resistive network with independent and dependent sources a b Vth = 75V, Rth = 10 k Ω

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3. The variable resistor R is adjusted till the power dissipated by it is a maximum. What is the value of R and the power it dissipates?

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Unformatted text preview: DC 25 10 20 100 200V R +-30I I R 7.5 P 333.33W 4. Find the Thevenins and Nortons equivalent as seen by the load resistor for the following circuit. Draw each equivalent. DC 12V 12 6 2 8A R L Vth = 52V, Rth = 6 5. Given the circuit below, determine the Nortons equivalent as viewed between terminals (i) a-b (ii) c-d a-b : I N = 7A, R N = 2 c-d: I N = 12.67A, R N = 1.5 6. Calculate the gain Vo/Vi for the following op-amp circuit when the switch is in position 1, position 2 and position 3. Position Gain Vo/Vi 1 2 3 7. Determine the output Vo and current Io for the following summing amplifier....
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## This note was uploaded on 03/22/2008 for the course EE 302 taught by Professor Mccann during the Fall '06 term at University of Texas at Austin.

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EE 302 - Exam 3 - Review Problems - DC 25 10 20 100 200V R...

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