Electrical Engineering › Section F · Network theorems (dc) › Topic F.5
Millman's, substitution, and reciprocity theorems
Three smaller theorems round off the dc toolkit. Millman's theorem collapses parallel sources into one, the substitution theorem lets you swap a branch for anything that behaves the same, and the reciprocity theorem says a source and the current it causes can trade places.
In this topic
- Three special-purpose tools
- Millman's theorem
- Worked example: three parallel sources
- Parallel batteries, and the dual form
- The substitution theorem
- Worked example: substituting the load
- The reciprocity theorem
- Worked example: a ladder both ways
- Common mistakes to avoid
- Key takeaways
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