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Voltage, also known as (electrical) potential difference, electric pressure, or electric tension, is the difference in electric potential between two points. In a static electric field, it corresponds to the work needed per unit of charge to move a positive test charge from the first point to the second point. In the International System of Units (SI)…
History, Applications & Measurement
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Voltage | Common symbols | V , ∆V , U , ∆U | 1.00 | infobox |
| Voltage | Derivations from other quantities | Voltage = Energy / charge | 1.00 | infobox |
| Voltage | Dimension | M L 2 T − 3 I − 1 {\displaystyle {\mathsf {M}}{\mathsf {L}}^{2}{\mathsf {T}}^{-3}{\mathsf {I}}^{-1}} | 1.00 | infobox |
| Voltage | In SI base units | kg⋅m2⋅s−3⋅A−1 | 1.00 | infobox |
| Voltage | SI unit | volt | 1.00 | infobox |
| Voltage | is a | volt | 0.90 | text |
| Voltage | is a | difference in electric potential | 0.90 | text |
| the ground of the system is used as one of the points | instance of | Often a common reference potential | 0.80 | text |
| Voltage | has application | Specifying | 0.60 | section |
| Voltage | has application | When | 0.60 | section |
| Voltage | has application | The | 0.60 | section |
| Voltage | has application | Two | 0.60 | section |
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