Write the definition of the unit Coulomb.

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(N/A) The $Coulomb$ $(C)$ is the $SI$ unit of electric charge.
One $Coulomb$ is defined as the quantity of charge that passes through a cross-section of a conductor in $1 \ s$ when a steady current of $1 \ A$ flows through it.
Mathematically,it is expressed as $Q = I \times t$,where $I = 1 \ A$ and $t = 1 \ s$,resulting in $Q = 1 \ C$.

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