Kirchhoff's Junction Rule (KCL) (ΣI_in = ΣI_out at a junction)
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ΣI_in = ΣI_out at a junction
What each symbol means
| Symbol | What it stands for |
|---|---|
| I | Branch currents (A) |
| junction | Node where ≥3 branches meet (typical) |
When to use this
Steady DC; no charge accumulation at nodes; conventional current.