Other questions in this quiz

2. Efficiency is a measure of how WHAT a device is at charging

  • good
  • bad
  • alright
  • ok

3. all devices waste energy, so the efficiency is never what percent

  • 25%
  • 50%
  • 100%
  • 75%

4. mass is the amout of WHAT in an object

  • bananas
  • matter
  • letter
  • banter

5. radio, computer,phone and a tv waste WHAT energy

  • kinetic energy
  • heat energy
  • sound energy
  • gravitational energy

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