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IUPUI ECE 20400 - ECE204Fall2012+Exam+1

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IUPUI ECE 204 Fall 2012 EXAM #1 Name: 1 1. (4 points) Figure below shows a circuit with five elements: If = -205W, = 60W, = 45W, = 30W, calculate the power dissipated or delivered by element 3. = 2. (6 points) In the circuit shown, find the power associated with components A and B. = = 3. (4 points) For the circuit shown, determine the minimum resistor size that can be connected to the 1.5 V battery without exceeding the resistor’s ¼ - W power rating. =IUPUI ECE 204 Fall 2012 EXAM #1 Name: 2 4. (6 points) Calculate the equivalent resistance at terminals a-b for the circuit shown. = 5. (8 points) Determine the following for the circuit shown: a) The value of R, if R is replaced by a short circuit. b) The value of R, if R is replaced by an open circuit. c) The voltage across R for part a). d) The voltage across R for part b). e) The value of current through R in part a). f) The value of current through R in part b). 6. (8 points) Find and in the circuit shown: = =IUPUI ECE 204 Fall 2012 EXAM #1 Name: 3 7. (8 points) For the circuit shown, write the node voltage equations at nodes 1 and 2. Write the equations in terms of node voltages. You do not need to solve. @ node 1: @ node 2: 8. (8 points) For the circuit shown, write the mesh current equations for meshes 1 and 2. Write the equations in terms of mesh currents. You do not need to solve. mesh 1: mesh 2: 9. (8 points) Find in the circuit shown: =IUPUI ECE 204 Fall 2012 EXAM #1 Name: 4 10. (8 points) Find in the circuit shown: = 11. (8 points) Using the superposition theorem, find in the circuit shown: = 12. (8 points) In the circuit shown, find the Thevenin equivalent circuit seen by the load : = = =IUPUI ECE 204 Fall 2012 EXAM #1 Name: 5 13. (8 points) For the circuit shown, determine a) the value of for maximum power transfer and b) the maximum power absorbed by . = = 14. (8 points) For the circuit shown, calculate using source transformation method. = 16 V 8


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