What metals are natural magnets made of partially or totally?
Iron, nickel and steel
Steel, gold and silver
Nickel, cobalt and aluminuim
Iron, nickel and cobalt
If 2 magnets were facing each others with their south points pointing at each other would they be attracted.
What use electro magnets
Speakers
Ipods
Fridge
Electric engine
Most permanent magnets are alloys.
Where does the magnetic field go from to?
From north to south
From south to north