Solving Source Superposition: Step-by-Step Guide

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SUMMARY

The discussion focuses on solving source superposition in circuit analysis, specifically addressing the challenges of determining current contributions from both voltage and current sources. The participant successfully calculates the current due to the voltage source but struggles with the current source. Key concepts include recognizing the configuration of resistors (series vs. parallel) and converting current sources into voltage sources for easier analysis. The participant's breakthrough involves understanding that the current source must be transformed into a voltage source by placing the parallel resistor in series.

PREREQUISITES
  • Understanding of circuit analysis principles
  • Familiarity with Ohm's Law
  • Knowledge of series and parallel resistor configurations
  • Ability to apply the superposition theorem in circuit analysis
NEXT STEPS
  • Study the superposition theorem in depth
  • Learn about converting current sources to voltage sources
  • Practice analyzing circuits with both series and parallel resistors
  • Explore advanced circuit analysis techniques using simulation tools like LTspice
USEFUL FOR

Electrical engineering students, circuit designers, and anyone looking to deepen their understanding of circuit analysis techniques, particularly in the context of source superposition.

negatifzeo
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Homework Statement


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This isn't a homework assignment, this is straight from the textbook. They work it out but I'm still not following, would it be possible for someone to go through this step by step and explain
it clearly? (How to determine the current due to the voltage source and due to the current source.) I can get the right answer when it comes to determining the current due to the voltage source but the current source trips me up. Thanks.


Homework Equations





The Attempt at a Solution


 
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For the current source drawing (b): You have 6 A going into the junction. How is the current split between the two resistors? Note that they share the same voltage. Are they in series or in parallel?
For the voltage source (c): You have two resistors that share the same current. How much current do they draw? Are they in series or in parallel?
 
Thanks. My big problem was not realizing I had to convert the current source into a voltage source by placing the parallel resistor in series.
 

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