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Series / Parallel Resistors
Combine resistors and find equivalent resistance.
Equivalent resistance
500 ΩMore parallel paths lower the total resistance.
R1
R2
Formula and assumptions
Series: R = R1 + R2 + … . Parallel: 1/R = 1/R1 + 1/R2 + … . All values are in ohms. This tool combines 1–12 ideal, positive resistances in one arrangement. Component tolerance, power ratings and mixed series/parallel networks are not modeled.