What must be done to the wires used to make an electromagnet before they are connected

Neatly wrap the wire around the nail

Explanation:

hope this helps ( not sure tho )

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. If you coil the wire around and around, it will make the magnetic force stronger, but not strong enough.

Explanation:

Hope this helps!!

answer:   you might love summer weather, but you don’t want it to feel like the sun is inside your car. but a hot car that just won’t seem to cool down might be a bigger of a problem than you think. your car relies on being at the right temperature.

explanation:

radiation

explanation:

heat is transmitted by radiation