A-LevelPhysicsElectricity9702/12 · Feb/Mar 2024 · Q321 Mark

What are the definitions of potential difference (p.d.) and electromotive force (e.m.f.), in terms of energy transfer W and charge q?

Ap.d. W/q, e.m.f. W/q

Bp.d. W/q, e.m.f. Wq

Cp.d. Wq, e.m.f. W/q

Dp.d. Wq, e.m.f. Wq

✓ Correct answer

A: p.d. W/q, e.m.f. W/q

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Topic: Electricity, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Feb/Mar 2024 Paper 1 Variant 2, question 32.

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