1. The Potential difference between two points in an electric field is said to one volt if one joule of work has to be done in bringing a positive charge of one coulomb from one point to another. 1 volt = 1 joule/1 coulomb or 1 V = 1J/1C
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The volt (symbolized V) is the Standard International (SI) unit of electric potential or electromotive force. A potential of one volt appears across a resistance of oneohmwhen acurrentof oneampereflows through that resistance. Reduced to SI base units, 1 V = 1 kg times m2times s-3times A-1(kilogram meter squared per second cubed per ampere).
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