Can I Make A Temporarily A Nail Magnet With A Fridge Magnet?
Can I make a temporarily a nail magnet with a fridge magnet?
Putting a piece of iron or steel inside the coil makes the magnet strong enough to attract objects. ... You can make a temporary magnet by stroking a piece of iron or steel (such as a needle) along a permanent magnet. There is another way that uses electricity to make a temporary magnet, called an electromagnet.
this question is a very tough :>
Comments
Post a Comment