We began the day with an exercise on super nodes. Using nodal analysis we were able to identify our currents and solved for our unknown voltages.
The professor corrected our results and we realized we made errors where the voltages would be at their max in our equations. That is we wrote our voltages in our equations reversed.
The we began the experiment on Nodal analysis. We solved for V1 and V2 to get 4.39v for V2 and 2.39 for V1. Below is the implemented circuit with our 3 power sources.
It turns out the resistor have a 10% uncertainty. So we calculated the two voltages based on the uncertainty. Then we tested the circuit with the voltmeter.
After trying to figure out why our V1 was coming out with the wrong values we figured it was probably touching another resistor or something else. So we carefully removed the resistor and reconnected it to find our V1. Our percent error was 0.67% for V2 and 2% for V1.
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