BRAINCAKEResistance
The movement of electrons through a circuit is caused by the force the emf generates.
Electrical resistance is the opposition to the flow of current within a conductor.
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Key terms in this lesson
- e.m.f.
- The energy transferred per unit charge by a source, such as a cell, in driving charge around a complete circuit.
More in Electrical Quantities
- Charge Carriers
- Electromotive Force e.m.f.
- Potential Difference
- The Electron Volt
- Ohm's Law
- Example Question
- Current-Voltage Graphs
- Resistivity
All 18 lessons in Electrical Quantities · All Edexcel AS-level Physics topics