# Discussion - to the theoretical calculations. From these...

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Discussion After constructing the circuit, the group found the required values asked in the laboratory experiment. These values can be found in the results sections; Table II, III on page three and four. The reference node in this circuit was the bottom node. By definition, node voltages are a rise above the reference node. (1) Knowing this, the group could associate voltage source 1 (Vs 1 ) is equal to Node V 1 , and associate voltage source 2 (Vs 2 ) is equal to Node V 2 . Next, node- voltage (N-V) analysis was applied to the circuit to find nodes V 2 and V 3 . Since this circuit is a planar network, the group applied mesh-current analysis to find the current in branches I 1 , I 2 , and I 3 . After all of the values were recorded, the group compared the measured values of experiment
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Unformatted text preview: to the theoretical calculations. From these values, Resistors 2 and 4 could be calculated, the currents through their associated branches, and the power absorbed by the resistors. The resistance values can be seen Table I and the power absorbed by those resistors 2 and 4 are in Appendix A, Part 5. The difference in power obtained by the different method can be explained by a couple of reasons. Each power result differed by 20 micro amps in R2 and the power results for R4 had a difference in 20 micro amps on two of the equations but the third resulted in 240 to 260 micro amps. Human error, meter error, and the actual resistance of the resistors add up to affect this difference in using Ohms Law to derive the orther power equations....
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## This note was uploaded on 06/30/2011 for the course ENGR 403 taught by Professor Ahn during the Spring '11 term at Birmingham-Southern College.

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