 | Term | Definition |
| |
electromagnetism |
the relationship between electricity and magnetism |
| |
solenoid |
a coil of wire with a current |
| |
electromagnet |
a strong magnet that can be turned on and off |
| |
energy |
the ability to move an object over a distance |
| |
electrical energy |
the energy associated with electric currents |
| |
mechanical energy |
the energy an object has due to its movement of position |
| |
galvanometer |
a device that measures small currents |
| |
electric motor |
a device that uses an electric current to turn an axle |
| |
electromagnetic induction |
generating an electric current from the motion of a conductor through a magnetic field |
| |
direct current |
a current consisting of charges that flow in one direction only |
| |
alternating current |
a current consisting of charges that move back and forth in a circuit |
| |
electric generator |
a device that transforms mechanical energy into electrical energy |
| |
transformer |
a device that increases or decreases voltage |
| |
step-up transformer |
a transformer that increases voltage |
| |
step-down transformer |
a transformer that decreases voltage |
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