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  1. IGCSE
  3. Physics CIE
  5. 4.2.3a Electromotive force

4.2.3a Electromotive force

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Revise CIE IGCSE Physics 4.2.3a Electromotive force with the question bank, lessons, revision guides, and flashcards.

Define electromotive force (e.m.f.) as the electrical work done by a source in moving a unit charge around a complete circuit • Know that e.m.f. is measured in volts (V) • Supplement: Recall and use the equation for e.m.f. E = W / Q

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