Physics 0625 · IGCSE · Electric circuits

Electric circuits — practice question

Two lamps are connected in parallel. Which switches need to be closed for both lamps to light?

  • A$S_1$ and $S_2$ only
  • B$S_1$ and $S_3$ only
  • C$S_2$ and $S_3$ only
  • D$S_1$, $S_2$ and $S_3$

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