BRAINCAKEParallel Circuits
A parallel circuit provides more than one path for the charges to flow.
The current that flows through each branch is inversely proportional to the resistance. The greater the resistance the lower the current.
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Key terms in this lesson
- resistance
- The ratio of the potential difference across a component to the current through it.
- Kirchhoff's first law
- At any point in a circuit, the sum of the currents flowing into that point is equal to the sum of the currents flowing out of it; a consequence of conservation of charge.
- Kirchhoff's second law
- In any closed loop of a circuit, the sum of the electromotive forces is equal to the sum of the potential differences.
More in Electricity
- Electrical Power
- Electricity in the Home
- Kirchoff's Second Law
- Series Circuits
- Combining Resistors
- Analysing Circuits
- Internal Resistance
- Potential Divider Circuits
All 30 lessons in Electricity · All OCR AS-level Physics topics