Question

a current of 1.5A flows through a conducter for 2.0 s. what amount of charge passes through the conductor ??​

Answer 1

as Q=i×t so you can have that,
1.5A × 2s = 3C

Answer 2

I=Q/t

putting all the values

1.5=Q/2

Q=1.5×2

Q=3.0C