Calculateur de Capacité Gratuit
Calculez la capacité d'un condensateur. Déterminez la capacité en farads à partir de la charge et de la tension.
Capacité
0.000200 F
Capacitance vs Charge
Formule
Capacitance
Capacitance measures the ability of a component to store electric charge per unit voltage.
Formula
C = Q / V
where Q is the stored charge in coulombs and V is the voltage across the capacitor. The unit is the farad (F).
Exemple Résolu
A capacitor stores 0.001 C of charge at 5 V.
- 01C = Q / V
- 02C = 0.001 / 5
- 03C = 0.0002 F = 200 μF
Questions Fréquentes
What is a farad?
One farad is the capacitance that stores one coulomb of charge per volt. In practice, most capacitors are measured in microfarads (μF) or picofarads (pF).
What determines the capacitance of a parallel plate capacitor?
C = epsilon * A / d, where epsilon is the permittivity of the dielectric, A is the plate area, and d is the plate separation.
What is a supercapacitor?
A supercapacitor can store thousands of farads by using extremely thin dielectric layers and large surface areas. They bridge the gap between capacitors and batteries.
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