Awire delivers 12.0 c of charge in 4.0 s. what is the current in the wire

So we want to know what is the current in the wire if the wire delivers 12 c of charge in 4 s. by definition, i=q/t, where i is the current, q is the amount change that is going trough the wire  and t is the time. so now we simply plug in the numbers: i=12/4=3 a. so the current flowing in the wire is equal to 4 a. 

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