Electromotive force and potential difference

4.2.3

What the syllabus asks of you

Define electromotive force (e.m.f.) as the 6 Recall and use the equation for e.m.f. electrical work done by a source in moving a unit charge around a complete circuit E = W / Q
Know that e.m.f. is measured in volts (V)
Define potential difference (p.d.) as the work 7 Recall and use the equation for p.d. done by a unit charge passing through a component V = W / Q
Know that the p.d. between two points is measured in volts (V)
Describe the use of voltmeters (analogue and digital) with different ranges

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Chapter 4: Electromotive force and potential difference

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