Other questions in this quiz

2. If something supplies energy it also supplies what?

  • energy
  • heat
  • power
  • water

3. how do you find the power of a component in a circuit?

  • measure the voltage and the current and multiply them together
  • divide the voltage by the current

4. true or false: more efficient machines waste less energy?

  • true
  • false

5. true of false: some energy is always lost?

  • false-it's all converted into different forms
  • true- some is useful energy and the rest is lost energy


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