Question

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Answer 1

⍣ ೋAnswer⍣ ೋ

Question:

What is the effect of the following variables on the strength of an electromagnet?

Answer: .By simply wrapping wire that has an electrical current running through it around a nail, you can make an electromagnet. When the electric current moves through a wire, it makes a magnetic field. There is another way that uses electricity to make a temporary magnet, called an electromagnet.

Answer 2

Answer:

Increse Increse

Step-by-step explanation:

I would say based on the chart that the anwser is:

Increse the numbers of coals around the nail, increse the strength of the electromagnet

Because on both side the numbers are growing.