A | B |
Magnet | Any material that attracts iron or materials containing iron |
Poles | The parts of a magnet where magnetic force is strongest |
Magnetic Field | The region of space that surrounds a magnet and exerts force upon other magnets or magnetic materials |
Northern Lights | Effect caused by charged solar particles hitting upper atmosphere |
Domains | Groups of atoms with aligned magnetic poles |
Electromagnetic Force | The attractive or repulsive force between electric charges and magnets |
Solenoid | A coil of wire that produces a magnetic field when carrying an electric current |
Electromagnet | A magnet that consists of a solenoid wrapped around an iron core |
Electric motor | Converts electrical energy to kinetic energy |
Commutator | Metal loop with breaks in it, interrupts current in electric motor |
Galvanometer | A device used to measure current through the interaction of an electromagnet and a permanent magnet |
Electromagnetic Induction | Generating an electric current by moving a conductor in a magnetic field |
Generator | Converts kinetic energy to electrical energy |
Turbine | Device with fanlike blades that turn when pushed |
Transformer | Device that increases or decreases the voltage of an alternating current |
Step-up transformer | Converts low voltage to high voltage |
Step-down transformer | Converts high voltage to low voltage |