Electromagnet
Superconducting magnet
Ferromagnetic
Magnetic needle
Magnetic compass
magnetic field.
Hydro magnet
Gyro magnet
if different magnets attract metals then the attraction will be different.
My answer id they have different shapes and colors.
Magnets of different strength are used.
yes i tried and different liquids affect the strength of magnets
they're stronger
yes
Bigger magnets are used for heavier objects.
Industrial strength magnets are used widely for lifting, work holders,and chucks.
Wiki has a couple good articles that will help you. Look up "Speaker" Look up "Microphone" Every phone has one of each and both involve magnets.
It is used for different uses.
Yes they do.
It is for different purposes.