BRAINCAKECombining Resistors
With resistors in series the total resistance is equal to the sum of the resistances.
The path taken by the charges is increased with each resistor so the more resistors you add the greater the resistance becomes. For n resistors in series:
Rtotal = R1 + R2 + R3 + ..Rn
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Key terms in this lesson
- resistance
- The ratio of the potential difference across a component to the current through it.
More in Electricity
- Electricity in the Home
- Kirchoff's Second Law
- Series Circuits
- Parallel Circuits
- Analysing Circuits
- Internal Resistance
- Potential Divider Circuits
- The Potentiometer
All 30 lessons in Electricity · All OCR AS-level Physics topics