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Electric charge (symbol q, sometimes Q) is a physical property of matter that causes it to experience a force when placed in an electromagnetic field. Electric charge can be positive or negative. Like charges repel each other and unlike charges attract each other. An object with no net charge is referred to as electrically neutral. Early knowledge of how…
History & Measurement
Explore the main themes, entities and connections around Electric charge. Start with the topic map, then use the sections below for research and deeper semantic analysis.
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charge electric positive negative electrical glass one charged charges particles also elementary electricity two object matter electrons current amber electron
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Electric charge | Common symbols | q | 1.00 | infobox |
| Electric charge | Conserved? | yes | 1.00 | infobox |
| Electric charge | Dimension | T I {\displaystyle {\mathsf {T}}{\mathsf {I}}} | 1.00 | infobox |
| Electric charge | Extensive? | yes | 1.00 | infobox |
| Electric charge | In SI base units | A⋅s | 1.00 | infobox |
| Electric charge | Other units | elementary charge | 1.00 | infobox |
| Electric charge | Other units | faraday | 1.00 | infobox |
| Electric charge | Other units | ampere-hour | 1.00 | infobox |
| Electric charge | SI unit | coulomb (C) | 1.00 | infobox |
| Electric charge | is a | coulomb | 0.90 | text |
| Electric charge | is a | characteristic property of many subatomic particles | 0.90 | text |
| Electric charge | is a | relativistic invariant | 0.90 | text |
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