Physics A-Level
Electromotive force (e.m.f.)
What Electromotive force (e.m.f.) means in Physics A-Level, as defined for OCR.
Definition of Electromotive force (e.m.f.)
Check what you remember
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Reference: OCR
The energy transferred from other forms to electrical energy per unit charge passing through a source such as a cell or power supply.
Topics that use Electromotive force (e.m.f.)
- E.m.f. and p.d (OCR A-Level)
Related terms
- Applying W = VQ and W = EQ
- 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
- Series and parallel p.d.
Using Electromotive force (e.m.f.) in the exam
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