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Electricity
Vocabulary Flash Cards
| Term | Definition |
|---|---|
| Charged Object | Matter with a surplus or deficiency of electrons |
| Electric Field | Region where a charged object experiences an electric force radially outward from a positive charge and radially inward toward a negative charge |
| Electric Force | Attractive or repulsive interaction between any two charged objects |
| Force Field | Region in space affected by a force at a distance (i.e. an electric field, a gravitational field, or a magnetic field) |
| Magnetic Field | The area around a magnet or a moving electrical charge that can exert a magnetic force. |
| Magnitude | The size or quantity of something |
| Static Electricity | The electrical charge on the surface of an object |
| Uniform Electric Field | An electric field that has the same magnitude and direction throughout the system. |
| Circuit | A closed loop of conductors through which a electric current can flow |
| Conductivity | A physical property that describes the ability of a substance to transfer heat or electrical energy |
| Conductor | A substance that allows the flow of electrical charge or transfers thermal energy through matter. |
| Current | A directional flow of electrical charge through an object or medium. |
| Insulator | A material that does not conduct heat or electric current |
| Metalloids | Elements that have properties of both metals and nonmetals; sometimes referred to as semiconductors |
| Metals | Elements that are typically solid, shiny, malleable, and good conductors of heat and electricity; includes most elements. |
| Nonmetal | Elements that are typically not shiny not malleable, and poor conductors of heat and electricity; usually gases or brittle solids |
| Semiconductor | A substance whose electric conductivity falls between that of a conductor and an insulator; the foundation of modern electronics. |
| Electric Circuit | The pathway through which electric current flows |
| Attractive | Having the tendency to pull other objects toward itself |
| Charged Particle | A particle with either a positive or negative electrical charge |
| Interacting Objects | Objects that affect one another |
| Magnetism | A force that attracts or repels objects toward or away from each other; caused by electrons in a substance. |
| Repulsive | Having a tendency to push other objects away from itself |
| Electromagnet | A temporary magnet in which the magnetic field is produced by electric current |
| Electromagnetic Induction | The production of electric potential difference across a conductor as the conductor moves through a magnetic field |
| Generator | A device that changes mechanical energy into usable electrical energy |
| Motor | A device that uses different energy sources to produce force and motion. |
| Transformer | A device that transfers electrical energy from one circuit to another through electromagnetic induction |
Created by:
schristensen
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