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10 results for “capacitor”

Formulae (10)

C = \frac{\varepsilon_0 A}{d}

Capacitance from plate area and separation.

C_{eq} = C_1 + C_2 + \cdots

Parallel capacitances add.

\frac{1}{C_{eq}} = \frac{1}{C_1} + \frac{1}{C_2} + \cdots

Reciprocals of series capacitances add.

C = \frac{Q}{V}

Charge stored per unit voltage.

E = \tfrac{1}{2}CV^2

Energy stored in a capacitor.

X_C = \frac{1}{2\pi f C}

Opposition of a capacitor to AC.

\tau = RC

Time to charge a capacitor to ~63%.

E = \frac{1}{2}CV^2

Energy stored in a capacitor.

Q = CV

Charge stored on a capacitor.

\tau = RC

Charging time constant of a resistor-capacitor circuit.