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Ffarad (neu Farad) (F) yw uned cynhwysiant, sef fod gan gynhwysydd werth o 1 Ffarad os yw'n gallu dal 1 Coulomb (C) o wefr ar gyfer pob Folt (V) o wahaniaeth potensial.
Enghraifft o'r canlynol | System Ryngwladol o Unedau gydag enw arbennig, uned sy'n deillio o UCUM, unit of capacitance |
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Ffeiliau perthnasol ar Gomin Wicimedia |
Yr hafaliad yw:
(Q= gwefr, C= cynhwysiant, V= gwahaniaeth potensial)
Enwir y Ffarad ar ôl y ffisegydd Michael Faraday.
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