Nodal analysis with parallel resistors

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SUMMARY

The discussion focuses on using nodal analysis to determine the open-circuit voltage (v,oc) in a circuit with two node voltages, v,1 and v,2. The user encounters a parallel resistor combination of 1.1 kΩ and 2.3 kΩ while applying Kirchhoff's Current Law (KCL) at node voltage v,2. It is confirmed that combining these parallel resistors into a single equivalent resistor is valid for simplifying the analysis. This approach streamlines the calculation process in nodal analysis.

PREREQUISITES
  • Understanding of nodal analysis in electrical circuits
  • Familiarity with Kirchhoff's Current Law (KCL)
  • Knowledge of resistor combinations, specifically parallel resistors
  • Basic circuit analysis techniques
NEXT STEPS
  • Study the calculation of equivalent resistance for parallel resistors
  • Learn more about applying KCL in complex circuits
  • Explore advanced nodal analysis techniques for multi-node circuits
  • Review examples of open-circuit voltage calculations in electrical engineering
USEFUL FOR

Electrical engineering students, circuit designers, and anyone involved in analyzing electrical circuits using nodal analysis.

eurekameh
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152zwi9.png

I'm trying to determine v,oc using nodal analysis. I have labeled the two node voltages at the top v,1 and v,2. When doing the KCL equation for node voltage 2, I run into the 1.1 kohm and 2.3 kohm parallel combination. Is it valid if I just combine these parallel resistors into one resistor?
 
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eurekameh said:
152zwi9.png

I'm trying to determine v,oc using nodal analysis. I have labeled the two node voltages at the top v,1 and v,2. When doing the KCL equation for node voltage 2, I run into the 1.1 kohm and 2.3 kohm parallel combination. Is it valid if I just combine these parallel resistors into one resistor?

Sure.
 

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