Other questions in this quiz

2. What is the power of a circuit?

  • The rate of energy transfer
  • The amount of photons transferring energy
  • The amount of useful energy being transferred

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. If something supplies energy it also supplies what?

  • water
  • energy
  • power
  • heat


No comments have yet been made

Similar Science resources:

See all Science resources »See all Energy and efficiency resources »