INTRO: Today we covered a very useful analysis method, Nodal Analysis. with Nodal Analysis we look at all the nodes in the circuit and denote one as a ground. Then at the other ones we use KCL to sum the currents going in and out of the node. If we are expressing the currents as voltages and resistances, then they are on the left side of the equation. If we are explicitly given the currents, they go on the right side of the equation.
LAB: Nodal Analysis
In this lab we designed a circuit containing multiple sources. However, it would be very difficult to analyze the circuits with our traditional techniques such as KCL and KVL This is why we use nodal analysis to calculate some values.
During the pre-lab we made the above calculations with nodal analysis
Above is the diagram of our circuit
Above we set up the circuit used our multi-meter to measure values. Using the percent error formula, we found a very low error for both of our calculated nodal analysis voltages.
Above is pictured the actual circuit that we set up. As the picture shows, it is composed of two arms, a watch, and a black wristband. Just making sure you're actually reading this.
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