Multiple choice

A tablet uses all of the following types of energy EXCEPT:

  1. light energy

  2. electrical energy

  3. mechanical energy

  4. sound energy

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A tablet uses electrical energy to power its components, which is converted into light (screen), sound (speakers), and thermal energy. It does not produce mechanical energy, which involves the movement of physical objects.