Electrical Engineering › Section E · Methods of analysis (dc) › Topic E.2
Branch-current analysis
Put two sources in different branches and series-parallel reduction no longer works. Branch-current analysis is the most direct systematic cure: give every branch an unknown current, write KCL and KVL, and solve the equations together.
In this topic
- When reduction stops working
- Branches, nodes and loops
- The procedure
- Worked example: two sources sharing a load
- Solving with determinants
- Worked example: a current that comes out negative
- Checking the answer
- Strengths and limits
- Common mistakes to avoid
- Key takeaways
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