If a magnet is heated to a high temperature it will lose its magnetism.
There are many things that happen to a magnet when it is cooled. Magnets are less powerful when they are cooled for example.
Nothing, electrical resistance creates heat. Cooling it just helps the conductors stay cold instead of warming up from resistance.
a magnet is a solid so you don't freeze it
the metal object becomes a temporary magnet
The bar magnet becomes two smaller barn magnets.
It's not magnetic
when magnet is put into a fire, magnetic field of the magnet ll get disappear( depends on type of magnet)
the magnet gets weaker
Move towards the U magnet so that the poles attach.
the nail goes to the magnet
Nothing happens, it does not attract.
a magnet is a solid so you don't freeze it
it will loose its magnesium
the metal object becomes a temporary magnet
Nothing.
dissaipates
stick it
it attracts
Usually nothing.