# Microcoulomb vs. Coulomb ## Microcoulomb and Coulomb Definitions

#### Microcoulomb

A measure of electrical quantity, the millionth part of one coulomb.

#### Coulomb

The basic unit of electric charge, equal to the quantity of charge transferred in one second by a steady current of one ampere, and equivalent to 6.2415 × 1018 elementary charges, where one elementary charge is the charge of a proton or the negative of the charge of an electron. A coulomb's value in the International System differs very slightly from that in the meter-kilogram-second-ampere system of units. See Table at measurement.

#### Microcoulomb

A measure of electrical quantity; the millionth part of one coulomb.

#### Coulomb

Of or relating to the Coulomb force.

#### Coulomb

In the International System of Units, the derived unit of electric charge; the amount of electric charge carried by a current of 1 ampere flowing for 1 second. Symbol: C
He is charged up with enough coulombs to make his hair stand on end.

#### Coulomb

The standard unit of quantity in electrical measurements. It is the quantity of electricity conveyed in one second by the current produced by an electro-motive force of one volt acting in a circuit having a resistance of one ohm, or the quantity transferred by one ampère in one second. Formerly called weber.