ECEN 215 504-506, Exam #1, Spring 2024
Name:
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Section:
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(Please show your work clearly for partial credit. Specify the units and underline the final answers.)
1. Answer the following questions: (20 pts)
a) Three resistors and a battery are connected in series and R1> R2> R3.
Which one gets more currents?
Which one gets more voltage?
Which one gets more power?
b) What does a negative power indicate?
c) How do you connect a 30Ω, a 60Ω and a 25Ω resistor to make an
equivalent of 45Ω? Draw the connection.
d) A 4A current source, a 4Ω resistor, and a short circuit are all connected in
parallel.
What is the equivalent resistance?
What is the voltage across the resistor?
What is the current in the short circuit?
2. The Find the equivalent resistance across the terminals if all resistors are
3KΩ. (15 points)
3. Determine the power in the 4-Ω resistor. (15 points)
Vo
4. Use nodal analysis to find the value for Vo for the following circuit (15 points)
5. Find the Thevenin equivalent circuit at ab terminals. (20 points)
6. Use superposition to find is. (15 points)