Circuits !
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Created by:
Cassyalayne98 on March 12, 2012
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Description:
Lesson 28-29 words
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25 terms
Terms | Definitions |
|---|---|
 Electrical current | the continuous flow of electric charges through a material |
| Potential difference | the difference in electrical potential energy between two places in an electric field |
| Circuit | A pathway for the flow of electricity |
| Insulator | a material that does not allow heat or electrons to move through it easily |
| Voltage | Potential difference |
| Load | electrical device to which electrical power is delivered |
| Conductor | a device designed to transmit electricity, heat, etc. |
| Resistor | an electrical device that resists the flow of electrical current |
| Switch | A device for making, breaking, or changing the connections in an electrical circuit. |
| Series circuit | a circuit in which the objects are connected in a single path |
| Parallel circuit | circuit in which electric current can follow more than one path. |
| Magnetic force | the force exerted by a magnet. |
| Magnetic field | The area of magnetic force around a magnet |
| Electromagnetism | magnetism produced by an electric current |
| Electromagnet | a temporary magnet made by coiling wire around an iron core |
| Electric motor | a device that changes electrical energy into mechanical energy |
| Generator | a machine that converts mechanical energy into electrical energy |
| Quanititative data | expressed using numbers. |
| Range | the difference between the highest and lowest scores in a distribution |
| Mean | Average |
| Median | The middle number in a set of numbers that are listed in order |
| Mode | the most frequent value of a random variable |
| Precision | Describes exactness |
| Accuracy | Refers to the correctness of a measurement |
| Density | Measure of the mass per unit volume |
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