Physics lab elasticity of materials For a wire that has twice the radius of our wire, how much would it stretch in comparison to our wire if the other experimental conditions were the same? The same? Twice? Half? Four times as much?

Four times as much.

Explanation:

steps attached below

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.

a is the best answer your welcome