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Formula Capacitance (Definition) Voltage    Electric charge

Formula
Formula: Capacitance (Definition)

Capacitance

Unit
Capacitance indicates how much electric charge sitting on the electrodes of a capacitor can be separated when a voltage of one volt is applied between the two electrodes. The capacitance is therefore a measure of how good a capacitor can 'store' electric charge.

The capacitance \(C = 1 \, \mu\mathrm{F}\) means that the capacitor can 'store' \(Q = 1\,\mu\mathrm{C}\) of charge when a voltage of one volt is applied.

Voltage

Unit
Voltage between two electrodes, such as between two capacitor plates.

Electric charge

Unit
Amount of charge separated on the electrodes.