# What is the SI unit of electric charge?

Mar 15, 2018

Coulomb

#### Explanation:

S.I unit of charge is Coulomb ,we know the relationship between current $I$,charge $Q$ as,

$I = \frac{Q}{t}$

or,$Q = I t$

Now,unit of current is Ampere and that of time is second

So, $1$ Coulomb =$1$ Ampere $\cdot 1$ Second