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Magnetism
Magnets and Electromagnets
Term | Definition |
---|---|
Magnetism | The force of attraction or repulsion between two magnetic objects. |
Domain | A microscopic magnetic region composed of a group of atoms whose magnetic fields are aligned. |
Motor | A device that uses induction to convert electrical energy to mechanical energy. |
Generator | A device that uses induction to convert mechanical energy to electrical energy. |
Transformer | A device that changes one AC potential difference (voltage) to a different AC potential difference (voltage). |
Electromagnet | A magnet that is created by passing an electric current through a coil of wire. |
Magnetic Field | A region in which a magnetic force can be detected. |
Solenoid | A coil of wire that acts like a magnet when a current passes through it. |
Induction | A current created by the motion of a magnetic field through a coil. |