Static Electricity Unit 3
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12 terms
Terms | Definitions |
|---|---|
 static | not moving |
| electrostatic charge | voltage developed by an excess or lack of electrons on an object |
| electroscope | device used to test if an object has a positive or negative charge |
| lightning | a natural static charge that can produce extremely high voltage arcs |
| lightning arrestor | device to help prevent damage to equipment by transferring the energy of a lightning strike safely to ground |
| lightning bolts | high voltage arcs caused by lightning discharge |
| lightning rod | metal pole mounted above a structure to protect from lightning |
| nuisance static charge | static electric charge that develops on objects when you don't want a charge |
| precipitators | device that employs static electric charges to help capture and remove small particles from the air |
| selenium | an element that exhibits photosensitive properties. Its resistance changes inversely with illumination. |
| thundercloud | a cloud that contains charged particles |
| useful static charges | static electric charges that are intentionally placed on objects |
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