BRAINCAKEResistors in Parallel
The reciprocal of the total resistance of the circuit is equal to the sum of the reciprocals of all the resistors in the circuit.
I = I1 + I2
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Key terms in this lesson
- Potential difference
- The energy transferred per unit charge as charge moves between two points in a circuit.
- Resistance
- The ratio of the potential difference across a component to the current flowing through it, measured in ohms.
More in Direct Current Circuits
- Current Rules
- Potential Difference Rules
- Resistors in Series
- Resistance Heating
- Internal Resistance
- Power
- Measuring Internal Resistance
- Cells in Series
All 15 lessons in Direct Current Circuits · All AQA AS-level Physics topics