Capacitor charge

Calculates capacitor voltage from charge and capacitance.

Calculates stored capacitor energy from capacitance and voltage.

Calculates equivalent capacitance for capacitors connected in series.

Calculates equivalent capacitance for capacitors connected in parallel.

Calculates the time constant of a simple resistor-capacitor circuit.

Calculates ideal parallel-plate capacitance from geometry and relative permittivity.