Question

summarizing what you have read
read made - to - order magnets. keep the article open throughout the assignment. select the statement that best summarizes the central idea of the article.
electromagnets are useful in many situations because they can be turned on and off.
motors change mechanical energy to electrical energy.
electromagnets work whether or not electricity is passing through the wire.
electromagnets are useful around the home but not in industry.

Explanation:

Electromagnets' key feature is being able to be turned on - off, making them useful in many scenarios. Motors convert electrical to mechanical energy, not the other way. Electromagnets only work when electricity passes through wire. They are useful in both home and industry.

Answer:

Electromagnets are useful in many situations because they can be turned on and off.