Physics 0625 · IGCSE · Electric circuits

Electric circuits — practice question

A battery is connected in series with an ammeter and an $18\,\Omega$ resistor. The ammeter reads $0.50\,\text{A}$. What is the battery's electromotive force (e.m.f.)?

  • A$9.0\,\text{N}$
  • B$9.0\,\text{V}$
  • C$36\,\text{N}$
  • D$36\,\text{V}$

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