Physics 0625 · IGCSE · Electrical safety

Electrical safety — practice question

In this circuit, a component at X automatically prevents the wiring from overheating if a fault develops. Which row shows the components that are suitable?

  • Acircuit breaker ✓, fuse ✓, switch ✓
  • Bcircuit breaker ✓, fuse ✓, switch ✗
  • Ccircuit breaker ✓, fuse ✗, switch ✓
  • Dcircuit breaker ✗, fuse ✓, switch ✗

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