Physics 0625 · IGCSE · Electrical safety

Electrical safety — practice question

A fuse or a circuit-breaker may be used to protect electrical cables from large currents that could lead to overheating. If a fuse is used, where should it be placed, and if a circuit-breaker is used, where should it be placed?

  • Aposition of fuse: X; position of circuit-breaker: X
  • Bposition of fuse: X; position of circuit-breaker: Y
  • Cposition of fuse: Y; position of circuit-breaker: X
  • Dposition of fuse: Y; position of circuit-breaker: Y

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