In this task, you are given a question and a corresponding answer. Your task is to generate a fact statement that is useful in answering the given question.

Question: What fails to work during a power outage? Answer: an electric fan.
electrical devices convert electricity into other forms of energy

Question: Flashlights require batteries? Answer: to properly illuminate objects.
a battery converts chemical energy into electrical energy

Question: What will become magnetic in an electromagnet if the battery becomes active? Answer: A construction nail.

if battery in an electromagnet is active then the nail in the electromagnet will become magnetic