Fact 1: Amagnet moving in a coil of copper wire can cause an electric current.

Fact 2: Electricity is passed through the copper to magnetize the core.

Given the two facts above, answer the question "what is magnetized by electricity?" with the following options: 
- core
 - cars
 - metal
 - bamboo
 - biceps
 - bushes
 - LEDs
 - apples


 

 core        