Physics 0625 · IGCSE · Electric circuits

Electric circuits — practice question

The circuit diagram includes three switches and four lamps P, Q, R and S. Which switches have to be closed so that only lamps P and R are lit?

  • Aswitch 1 only
  • Bswitch 1 and switch 2
  • Cswitch 1 and switch 3
  • Dswitch 2 and switch 3

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