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Resistance for Parallel Connection

Combine ideal resistors wey get the same voltage across dem.

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Calculations dey happen locally. Results na estimates, no be professional advice.

Total equivalent resistance

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Ideal SI-unit model for learning. Real components, tolerances, losses and safe operating limits need separate checking.

Formula

Use Rₑ = 1/Σ(1/Rᵢ). Each Rᵢ na positive parallel resistor value for Ω. Sum their reciprocals, then take reciprocal again to get equivalent resistance Rₑ.

Combine ideal resistors wey get the same voltage across dem.

Example wey show the calculation

Values of the resistors (Ω)
10, 20
Total equivalent resistance
6.66666666667 Ω

Where e fit work and limits

Ideal SI-unit model for learning. Real components, tolerances, losses and safe operating limits need separate checking.

We check inputs for missing values and allowed ranges. Result wey pass the finite numeric range no go show. Rounding affect wetin display, while calculation use the model numeric precision.

Check your units and assumptions before you rely on result. Changing label no convert currency or physical unit.

Version of di formula: db2fa6a93e1f · Example don get check:

Method

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