Using Norton's theorem and superposition to find current

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Discussion Overview

The discussion revolves around the application of Norton's theorem and the superposition principle to determine the current through an 18-ohm resistor in a given circuit. The focus is on a homework problem involving circuit analysis.

Discussion Character

  • Homework-related

Main Points Raised

  • One participant expresses difficulty in obtaining correct values while applying Norton's theorem and superposition to find the current.
  • Another participant points out an error in the schematic provided by the first participant, noting that there should only be two 10Ω resistors instead of three, as one is in series with a current source.
  • The first participant acknowledges the mistake regarding the number of resistors in the schematic.

Areas of Agreement / Disagreement

Participants have identified an error in the schematic, but the overall approach to using Norton's theorem and superposition remains under discussion without a consensus on the correctness of the initial calculations.

Contextual Notes

The discussion highlights potential confusion regarding the correct representation of circuit components and the application of circuit analysis techniques, which may affect the results.

amsi
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Okay, the task is really not that hard but I am getting strange numbers.


1. Homework Statement

Find the current going through the resistor of 18 ohms.
Circuit is shown in the first picture.

Homework Equations

The Attempt at a Solution


I used norton theorem and superposition to find current In
DSC_1042.jpg

DSC_1043.jpg

DSC_1044.jpg
 
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Sorry for reposting it twice,missclick.
 
Hi amsi. :welcome:

In your second schematic you seem to be determining RN after deactivating all sources. You show three 10Ω resistors, but there should be only two; the third one shouldn't show because it is in series with a current source.
 
NascentOxygen said:
In your second schematic you seem to be determining RN after deactivating all sources. You show three 10Ω resistors, but there should be only two; the third one shouldn't show because it is in series with a current source.
Oh you are right I didn't even notice it ,thank you.
 

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