> [!summary]
A coulomb is the SI unit of electric charge.
>
Dimensional Analysis:
$[C] = [IT]$
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# Definition
A coulomb is the SI unit of electric [[Charge|charge]]. It represents the amount of charge carried by about $6.24 \times 10^{18}$ electrons. It's described as the electric current per second.
$
\begin{array}{c}
\text{1 C} = \text{current} \cdot \text{second } \\
\text{C}= A \cdot s
\end{array}
$
# Dimensional Analysis
> [!warning] Assumptions
Assume the standard quantity units for [[Dimensional Analysis|dimensional analysis]]
$
\begin{align*}
[C] &= [A]\cdot[s] \\
&= [IT]
\end{align*}
$