Particles with a charge of +5e are incident on a target. If the beam of particles carries a current of 133 µA, how many particles strike the target in a period of 18.0 s? 2990000000000 X How can you determine the total charge hitting the target? How can you determine the charge on each particle? Knowing the total charge hitting the target and the charge on each particle, how can you determine the number of charged particles hitting the target? particles Need Help? Read It

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Microscopic view of current

In physics, the term current is expressed as the rate of flow of electric charges across the area per unit time (I=q/t). It propagates along in the direction of the motion of positive charges. When the current is caused by the motion of electrons, the direction of the current is opposite to the flow.