BRAINCAKEElectromotive Force
Potential difference is used to describe when work is done by the charge carriers as they pass through components and transfer their energy from electrical energy into other forms of energy.
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Key terms in this lesson
- energy
- The capacity of a system to do work.
- power
- The rate at which work is done, or the rate of transfer of energy.
- potential difference
- The work done, or energy transferred, per unit charge as charge moves between two points in a circuit.
More in Electricity
- Kirchoff's First Law and Conservation of Charge
- Conductors and Semi-Conductors
- Current and Drift Velocity
- Potential Difference
- The Electron Gun
- Resistance
- Ohm's Law
- Temperature and Resistance
All 30 lessons in Electricity · All OCR AS-level Physics topics