1. The problem statement, all variables and given/known data If a beam of 9.39 x10^20 alpha particles passes a given point in 1.50s, what is the current? 2. Relevant equations I=q/t 3. The attempt at a solution umm the answer is 2.00 x 10^2 A, not sure where to begin. Would be a great help if someone can point me to the right direction.