Other questions in this quiz

2. What is transferred through the National Grid?

  • Electricity
  • Gas
  • Coal
  • Oil

3. Which type of electromagnetic wave has the smallest wavelength?

  • Microwaves
  • Gamma rays
  • Visible light
  • Ultraviolet

4. Why is a high voltage used?

  • It decreases the amount of energy wasted in cables
  • It increases the amount of energy wasted in cables
  • The cables cannot transfer low voltage electricity
  • So they can transfer the electricity at a high current

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