What happens to the strength of a magnetic field as you move away from the magnet?
Particles with opposite charges ____________ and particles with same (or like) charges ____________.
Which of the following is not a good conductor?
What happens when an electric current flows through a wire?
What does this image show?
The area of magnetic force around a magnet is known as its ____________.
Increasing the number of coils in an electromagnet will _________ the power of the magnet.
What type of core is best for electromagnets?
As the strength of a magnetic field increases, the ability to attract metal objects ____________.
What conclusion can you draw from this graph?