#693 Why are electromagnets stronger than permanent magnets?
Why are electromagnets stronger than permanent magnets? Because the amount of current and the number of coils in the copper wire can increase the strength of an electromagnet while a…
Why are electromagnets stronger than permanent magnets? Because the amount of current and the number of coils in the copper wire can increase the strength of an electromagnet while a…
I learned this today. Some metals are nonmagnetic because the magnetic poles of the atoms within them point in different directions and are weakly repelled by both poles of the…