What does a magnetic field line represent?
A magnet attracts all types of metals.
The North Pole of a magnet will attract...
Which substances can be magnetized?
Magnets can attract and repel.
What device uses a magnet to show direction?
What factors can weaken a magnet?
The Earth is a giant magnet.
Temporary magnets are also known as...
What benefits do magnetic fields have in healthcare?
What type of magnet retains its magnetism once it has been magnetized?
Magnetic fields pass through non-magnetic materials.
What can an electric current produce in a wire?
What is the rule that describes the relationship between electric current and magnetic field?
A magnet can be demagnetized by another strong magnet.