You are presented with the question "a bulb converts what into radiant energy when turned on" and the following answer choices: 
- sun's heat
 - adding heat
 - electrical energy
 - peachleaf willow
 - electrically
 - an electron lens
 - our nearest star
 - hydrogen and oxygen

Now knowing that alight bulb converts electrical energy into light energy when it is turned on and light is a form of radiant energy, choose the best answer.


 

   electrical energy      