Kirchhoff's Current Law (KCL)

📊 beginner

$$\sum I_{in} = \sum I_{out}$$

The total current entering a junction is equal to the total current leaving the junction.

Variables & Units

$I$

Current

Unit: Ampere ($A$)

Key Information

📐 Derived From

Conservation of Charge.

💡 Example

Splitting current in parallel resistors.

🔧 Applications

Complex circuit analysis.

⚠️ Constraints

Valid at any node in a circuit.

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