Thevenin Voltage and Resistance Calculation for Circuit with Current Sources

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SUMMARY

The discussion focuses on calculating the Thevenin voltage and resistance for a circuit with current sources. The established Thevenin voltage is 5V, while the Thevenin resistance is confirmed to be 1k ohm. A key point clarified is that current sources are replaced by open circuits when calculating Thevenin resistance, which resolves the confusion regarding the resistance value. This method is essential for simplifying complex circuits for analysis.

PREREQUISITES
  • Understanding of Thevenin's Theorem
  • Knowledge of circuit analysis techniques
  • Familiarity with current and voltage sources
  • Ability to manipulate resistances in parallel and series
NEXT STEPS
  • Study Thevenin's Theorem applications in circuit analysis
  • Learn about superposition theorem for linear circuits
  • Explore techniques for calculating equivalent resistance in complex circuits
  • Review methods for analyzing circuits with dependent and independent sources
USEFUL FOR

Electrical engineering students, circuit designers, and anyone involved in circuit analysis and simplification will benefit from this discussion.

Yaaaldi
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Homework Statement



Find the thevenin voltage and thevening resistance of the circuit.

[PLAIN]http://img573.imageshack.us/img573/2525/thevening.png


The Attempt at a Solution



The posted answers for the question are 5v and 1k ohm. But I can't see how the thevenin resistance is 1k ohm. Can anyone explain? I see the 5 and 1 being in parallel giving 5/6 k ohm.

edit: think I figured it out as I posted it. current sources get replaced by open circuit to calculate thevenin resistance
 
Last edited by a moderator:
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Yes, that's correct. You set sources to 0, so a current source would be replaced by an open circuit since no current flows through it.
 

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