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Coulomb

The **coulomb** (unit symbol: **C**) is the International System of Units (SI) unit of electric charge. It is the charge (symbol: *Q* or *q*) transported by a constant current of one ampere in one second:

Thus, it is also the amount of excess charge on a capacitor of one farad charged to a potential difference of one volt:

It is equivalent to the charge of approximately ( mol) protons, and -1 C is equivalent to the charge of approximately electrons.

Thus, it is also the amount of excess charge on a capacitor of one farad charged to a potential difference of one volt:

It is equivalent to the charge of approximately ( mol) protons, and -1 C is equivalent to the charge of approximately electrons.

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