Other questions in this quiz

2. Why is it difficult to replace fossil fuels?

  • Other sources have high running costs and may not produce much energy.
  • There are no other sources of energy
  • Fossil fuels are renewable

3. Why aren't renweable energy sources used alot?

  • They don't produce as much eletricity as non-renewable energy sources
  • They are more dangerous
  • They produce too much energy
  • They increase pollution more than non-renweable sources

4. Why is energy transferred at high voltages?

  • To reduce the amount of energy loss
  • To increase energy loss

5. How do you find out energy transferred?

  • Time x Current
  • Power x Time
  • Efficiency x Power

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