You are presented with the question "A bulb requires electrical energy to produce part of what kind of spectrum?" and the following answer choices: 
- an electron microscope
 - magnetic
 - autism spectrum
 - electromagnetic
 - rain or sun shine
 - direct energy
 - field
 - hydrogen and oxygen

Now knowing that alight bulb requires electrical energy to produce light and light is a part of the electromagnetic spectrum, choose the best answer.


 

    electromagnetic     