Understanding Electric Circuit Resistors: Parallel Configurations

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SUMMARY

The discussion clarifies the configuration of resistors in an electric circuit, specifically addressing the relationship between resistors R1, R2, and R3. R1 is confirmed to be in series with the parallel combination of R2 and R3. The distinction between parallel and series components is emphasized, noting that parallel components share both ends, while series components share only one end. This understanding is fundamental for analyzing circuit behavior relative to designated nodes across a current or voltage source.

PREREQUISITES
  • Basic understanding of electric circuits
  • Knowledge of resistor configurations (series and parallel)
  • Familiarity with circuit analysis terminology
  • Ability to interpret circuit diagrams
NEXT STEPS
  • Study the principles of Ohm's Law in circuit analysis
  • Learn about Kirchhoff's Laws for current and voltage
  • Explore the calculation of equivalent resistance in series and parallel circuits
  • Investigate the impact of resistor values on circuit performance
USEFUL FOR

Electrical engineering students, hobbyist circuit designers, and anyone seeking to deepen their understanding of resistor configurations in electric circuits.

temaire
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I just have a quick question. Are all three resistors in the figure below in parallel? I know that R2 and R3 are parallel to each other, but what about R1?

[PLAIN]http://img189.imageshack.us/img189/4171/circuitzu.png
 
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temaire said:
I just have a quick question. Are all three resistors in the figure below in parallel? I know that R2 and R3 are parallel to each other, but what about R1?

[PLAIN]http://img189.imageshack.us/img189/4171/circuitzu.png[/QUOTE]

No. R1 is in series with the parallel combination of R2 and R3.

Parallel components will share both ends together. Series components will only share one end connected together.

Does that make sense?
 
Last edited by a moderator:
As berkeman says, two circuit elements with their ends tied together are said to be in parallel, almost always.

Whether or not two circuit elements are said to be in parallel or series is relative two designated nodes. These nodes are invariably across a current or voltage source. This is just tradition, and everybody does this without thinking.

Relative to your 2 amp source, R2 and R3 are in parallel.
 
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