Note AcademyNote Academy
Start

Physics · May / June 2016 · Paper 12 · Question 34

5054The transformer

Electrical power is transmitted by cables over long distances at very high voltages. What are the effects of using a high voltage transmission system?

  1. Apower loss in the cables: high; current in the cables: high
  2. Bpower loss in the cables: high; current in the cables: low
  3. Cpower loss in the cables: low; current in the cables: high
  4. Dpower loss in the cables: low; current in the cables: low

As printed in the paper

Show the answer

Correct answer: D. power loss in the cables: low; current in the cables: low

Sit this whole paper →More on The transformer

Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.

Also set in