Find the voltage across a resistor in a difficult circuit

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SUMMARY

The discussion focuses on calculating the voltage across resistor R1 in a complex circuit using known values. Participants suggest using the voltage divider rule and KCL (Kirchhoff's Current Law) for analysis, while questioning the necessity of KVL (Kirchhoff's Voltage Law) and Thevenin's theorem. The consensus indicates that KCL equations are sufficient for determining the current through R1, given the circuit's configuration.

PREREQUISITES
  • Understanding of Kirchhoff's Current Law (KCL)
  • Familiarity with voltage divider rule
  • Basic knowledge of Thevenin's theorem
  • Ability to perform mesh analysis
NEXT STEPS
  • Study KCL applications in circuit analysis
  • Learn how to apply the voltage divider rule in complex circuits
  • Explore Thevenin's theorem for simplifying circuits
  • Investigate mesh analysis techniques for current calculations
USEFUL FOR

Electrical engineering students, circuit designers, and anyone involved in analyzing complex electrical circuits.

Juwane
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Homework Statement



Find the voltage across R1 (see attached image).

Note that all values are known.


Homework Equations



Voltager divider might be used. I hope KVL doesn't have to be used here.

The Attempt at a Solution



My problem is that I don't know if the current from I1 is going into the path in which there is R3, because there would be current in the opposite direction (downwards) coming from I2. Do I need to use such anaylses as Thevenin or mess analysis to find the current through R1?
 

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Juwane said:

Homework Statement



Find the voltage across R1 (see attached image).

Note that all values are known.


Homework Equations



Voltager divider might be used. I hope KVL doesn't have to be used here.

The Attempt at a Solution



My problem is that I don't know if the current from I1 is going into the path in which there is R3, because there would be current in the opposite direction (downwards) coming from I2. Do I need to use such anaylses as Thevenin or mess analysis to find the current through R1?

I'd just use KCL equations.
 

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