Series resistances add
R_total = R1 + R2 + … and the same current flows through every element.
Circuits
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Series Resistance Calculator
Total resistance of resistors connected in series, plus current and power for a supply voltage.
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Add two to ten series resistors and see the total and the current drawn.
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Assumptions and limits.
- Ideal series connection, no parallel paths.
Frequently asked questions
Why does one failed resistor stop the circuit?
A series path has no alternative route, so an open element interrupts current everywhere.