Physics 5054 · O Level · Electromotive force and potential difference

Electromotive force and potential difference — practice question

Which equation is correct for potential difference (p.d.)?

  • A$\text{p.d.} = \text{voltage} \times \text{current}$
  • B$\text{p.d.} = \dfrac{\text{energy}}{\text{time}}$
  • C$\text{p.d.} = \dfrac{\text{work done}}{\text{charge}}$
  • D$\text{p.d.} = \dfrac{\text{current}}{\text{resistance}}$

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI