Concepts and skills obtained from EEGR 202/203
(Circuits Lecture and Lab) in order to demonstrate mastery in calculating, building, measuring,
and simulating basic circuitry.
Figure 1: Breadboard Comic
M S U Dept. of Electrical & Computer Engineering Fall
2019
Name: _________________ SID#: __
2
Pre-Lab
Part One: Hand Calculations
Given the circuit pictured in figure 2, calculate the node voltages and currents flowing through
each resistor; remember to show ALL work. J
Figure 2
3V
A 1 kO B
12 kO
- – C
+
D
1 kO
3 kO
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+
R1
 R2
 R3
 R4
 M S U Dept. of Electrical & Computer Engineering Fall
 2019
 Name: _________________ SID#: __
 3
 Part Two: Simulation
 Using LTSplice, simulate the circuit in figure 2, comparing your simulated results with your hand
 calculations.
 Experiment
 In Lab Measurements
 Build the circuit pictured in figure 2, measuring the voltages at each node and the current
 flowing through each resistor. Compare your results to the hand calculations and simulated
 results you obtained from the Pre-Lab.
 Hand-Calculations Simulated Measured
 VA
 VB
 VC
 VD
 IR1
 IR2
 IR3
 IR4
 Discussion
 What assumptions can be made following the conclusion of this experiment? Do your hand
 Do calculations support your simulated results? Measured results? Explain.
 Lab Report Due: September 13th, 2019
Sample Solution
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