Solving Currents Using Superposition

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Discussion Overview

The discussion focuses on solving for currents in a circuit using the principle of superposition. Participants explore various methods and approaches to tackle the problem, including node equations and mesh currents.

Discussion Character

  • Homework-related, Exploratory, Technical explanation

Main Points Raised

  • One participant expresses uncertainty about the next steps after isolating each source, questioning whether node equations are the best approach.
  • Another participant suggests that the principle of superposition requires multiple sources and questions the absence of a second source in the circuit.
  • A later reply confirms the presence of an additional 9V source in series with a resistor, indicating a correction to the initial understanding of the circuit.
  • One participant proposes that using mesh currents might be a more efficient method for solving the current, and suggests combining certain resistors to simplify the calculations.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the best method to solve the problem, with multiple approaches being discussed and uncertainty expressed regarding the application of superposition.

Contextual Notes

Some limitations include the initial misunderstanding of the circuit configuration and the potential need for further clarification on the application of superposition in this context.

tanky322
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Homework Statement



Solve for all of the currents using superposition.
superP.jpg

Homework Equations


Remove the one source and solve the problem in two steps.

The Attempt at a Solution



Ive isolated each source separately but once i get to that point I am completely stumped on what route to take. I know i could probably use node eq's but I am not sure if that's the best way to go about solving it?
 
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edit: don't think this would work.
 
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Doesn't the principle of superposition deal with multiple sources? Where is the other source in your circuit? Have you shown it removed with a short?
 
dlgoff said:
Doesn't the principle of superposition deal with multiple sources? Where is the other source in your circuit? Have you shown it removed with a short?


Woops! yes there is another 9V source in series with R5, below it.
 
Mesh currents might be a quicker route to your answer, since you are trying to solve for current. I would also combine R2 and R3 just to knock out a few numbers from the start.
 

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