Kirchhoff’s Current Law

The algebraic sum of currents entering a node (or junction) in an electrical circuit is zero.
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Updated 9 May 2025

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Physical Meaning:
KCL is based on conservation of electric charge — charge cannot accumulate at a node.
If 3 A flows into a junction and 2 A flows out through one branch, the remaining 1 A must exit through another branch.

Cite As

Abdelrahman Farghly (2025). Kirchhoff’s Current Law (https://au.mathworks.com/matlabcentral/fileexchange/181064-kirchhoff-s-current-law), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2022b
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.0.0