Coulomb C
About the Coulomb
The coulomb is the charge carried by a current of one ampere in one second. Since 2019 one coulomb is exactly 1/(1.602176634 × 10⁻¹⁹) elementary charges. It is named after Charles-Augustin de Coulomb, who formulated the law of electrostatic force.
Related Units
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)...
Farad
F1 F = 1 C/V = 1 kg⁻¹·m⁻²·s⁴·A²
A capacitor of one farad stores one coulomb of charge at a potential difference of one volt. The unit honours Michael...