Physics 0625 · IGCSE · Electric circuits

Electric circuits — practice question

During house wiring, it is essential to choose the appropriate cables. The current ratings for four different cables are given. All four cables are connected in series in the same circuit. Which cable is most likely to overheat?

  • A$6\,\text{A}$
  • B$10\,\text{A}$
  • C$15\,\text{A}$
  • D$30\,\text{A}$

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