Other questions in this quiz

2. 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

3. In an electric circuit what does the charge of the wire transfer the energy to?

  • light bulb
  • components/ devices
  • environment
  • boiler

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

Comments

No comments have yet been made

Similar Science resources:

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