Question

dimension formula for charge

Answer 1

q = ne
e = coulomb 
I × t = q
[A] × [T] = q
Therefore, the dimensional formula of charge is AT.

Answer 2

q = ne 
e = coulomb 

now the unit of q would be coulomb or C. 

We know that I*t = q 

therefore, AT = q 

Answer,, the dimensional formula of q is AT.