Physics A-Level
Potential Difference
What Potential Difference means in Physics A-Level, as defined for Pearson Edexcel.
Definitions of Potential Difference
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
The work done (or energy transferred) per unit of charge that passes between two points.
The work done (or energy transferred) per unit of charge passed between two points.
The work done (or energy transferred) per unit charge moved between two points.
Topics that use Potential Difference
- Electric Circuits (Pearson Edexcel A-Level)
- Materials (Pearson Edexcel A-Level)
- Mechanics (Pearson Edexcel A-Level)
- Working as a Physicist (Pearson Edexcel A-Level)
Related terms
- Electromotive Force (e.m.f.)
- Ohmic Conductor
- Resistivity
- Resistance
- Internal Resistance
- Ohm's Law
- Conventional Current
- Direct Current (d.c.)
Using Potential Difference in the exam
Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Physics A-Level terms7 days Premium · Then free forever · No card, no charge