Farad F
About the Farad
A capacitor of one farad stores one coulomb of charge at a potential difference of one volt. The unit honours Michael Faraday. One farad is very large, so most electronic capacitors are rated in microfarads, nanofarads or picofarads.
Related Units
Coulomb
C1 C = 1 A·s
The coulomb is the charge carried by a current of one ampere in one second. Since 2019 one coulomb is exactly...
Volt
V1 V = 1 W/A = 1 kg·m²·s⁻³·A⁻¹
A volt is the potential difference across a conductor when a current of one ampere dissipates one watt. It is named...
Ohm
Ω1 Ω = 1 V/A = 1 kg·m²·s⁻³·A⁻²
The ohm is the resistance that passes a current of one ampere under a potential difference of one volt. It is named...
Siemens
S1 S = 1 Ω⁻¹ = 1 kg⁻¹·m⁻²·s³·A²
The siemens measures conductance, the reciprocal of resistance, and replaced the informal mho (ohm spelled backwards)...