Physics 0625 · IGCSE · Electromagnetic effects

Electromagnetic effects — practice question

Transformers are used when electrical power is transmitted to houses. Before the power is linked to the power lines at the power station, which type of transformer is used, and which type is used before the electricity is supplied to the houses?

  • Apower station: step-down; before houses: step-down
  • Bpower station: step-down; before houses: step-up
  • Cpower station: step-up; before houses: step-down
  • Dpower station: step-up; before houses: step-up

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