Parallel Resistors

📊 beginner

$$\frac{1}{R_{eq}} = \sum \frac{1}{R_i}$$

Calculates total resistance when current has multiple paths.

Variables & Units

$R_{eq}$

Total resistance

Unit: Ohm ($\Omega$)

Key Information

📐 Derived From

Ohm's Law and KCL.

💡 Example

Two $10\Omega$ resistors in parallel give $5\Omega$.

🔧 Applications

Household wiring design.

⚠️ Constraints

Resistance must be constant.

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