Magnetic Effects of Electricity Flashcards
What do magnets do?
Magnets attract iron and alloys containing iron
They also attract alloys containing nickel and cobalt, which, like iron, have magnetic properties
All magnets have a what?
North and South pole, both these sides repel and attract
What do permanent magnets do?
Permanent magnetsalways retain their magnetism
What do temporary magnets do?
Temporary magnetslose their magnetism when removed from other magnets
What is the region in which a magnetic force resids called?
A magnetic field
What is a electromagnet
An electromagnet is a temporary magnet created by coiling wire into a solenoid and using an iron core.
What is a big advantage of electro magnets over normal magnets?
A big advantage of electromagnets over other magnets is that the magnetic field can be turned on or off at the flick of a switch or the push of a button.
