DescriptionActive and passive sign convention.png English: Transmission of electric power according to active and passive sign convention Deutsch: Übertragung...
DescriptionPassive sign convention new.png English: A diagram illustrating the passive sign convention, the standard convention used for defining power...
DescriptionActive sign convention new.png English: Diagram illustrating the active sign convention, the opposite of the passive sign convention, the standard...
subject to Crown copyright and was first published more than 50 years ago, or it was not subject to Crown copyright, and 2. it is a photograph that was...
