A. Compasses typically use a permanent magnet.
No, it's a permanent magnet. It consists of an iron oxide, and iron is a permanent magnet.
Yes, it is a permanent magnet.
No, it's a permanent magnet. It consists of an iron oxide, and iron is a permanent magnet.
Permanent magnets do not lose their magnetic ability. Temporary magnets, however, gain magnetic properties when they are touched or moved by a permanent magnet. The properties of a temporary magnet dissipates over time after the permanent magnet is removed.
PermanentThere is no source of current in a compass, therefore the magnet is a permanent magnet.
yes
By definition an electromagnet is only working when it has a supply of electricity, a Permanent Magnet is always a magnet
An example of a permanent magnet would be the Earth. The Earth is one giant magnet with opposite poles.
Perminant magnet
You cannot magnetize a permanent magnet because it is already magnetized.
It is a permanent magnet. Electromagnets(as the name suggests) requires an electric source to become a magnet, when the power source is turned off it will not function as a magnet.