Fact 1: Alight bulb converts electrical energy into light energy when it is turned on.

Fact 2: Lamps convert electrical energy to electromagnetic radiation or light.

Given the two facts above, answer the question "Turning on what will emit electromagnetic radiation?" with the following options: 
- vehicles
 - satellites
 - light bulb
 - buses
 - Firecrackers
 - sensory neurons
 - an object
 - engines


 

   light bulb      