Physics A-Level
The volt
What The volt means in Physics A-Level, as defined for OCR.
Definitions of The volt
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
Check what you remember
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Reference: OCR
The unit in which e.m.f. is measured, where 1 V = 1 J C⁻¹, because it is energy per unit charge.
The unit of p.d., equal to the joule per coulomb: 1 V = 1 J C⁻¹.
Topics that use The volt
- E.m.f. and p.d (OCR A-Level)
Related terms
- Applying W = VQ and W = EQ
- E.m.f.
- Electromotive force (e.m.f.)
- Energy transfer and charge
- Energy transfer in electric fields
- Internal resistance and terminal p.d.
- Kinetic energy of charged particles
- Potential difference
Using The volt in the exam
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