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GCSE Physics · key term
The unit of potential difference, with symbol V; one volt is one joule per coulomb.
Used by Edexcel and OCR
Specification 10.5, 10.6 · Paper 2
The unit of potential difference; one volt is one joule of energy transferred per coulomb of charge.
Revise: Potential Difference DefinitionPotential difference is measured in volts (V).
Give the unit as volt, symbol V, and remember that .
Convert quantities to joules, coulombs and volts before using the equation; for example, convert kilojoules to joules.
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Specification P3.2c · Paper 1 (Foundation), Paper 3 (Higher)
Revise: Current, resistance, potential differenceClose the circuit briefly and record the current in amperes and the potential difference in volts.
Do not confuse the symbol for potential difference with V, the unit volt.