Physics 5054 · O Level · Uses of electricity

Uses of electricity — practice question

Electrical power is carried by cables across long distances at very high voltages. What effects result from using a high voltage transmission system?

  • Apower loss in the cables: high; current in the cables: high
  • Bpower loss in the cables: high; current in the cables: low
  • Cpower loss in the cables: low; current in the cables: high
  • Dpower loss in the cables: low; current in the cables: low

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