In a Certain Particle Accelerator,a Current of 800 $\mu$ A Is Carried by a 6

Multiple Choice

In a certain particle accelerator,a current of 800 $\mu$ A is carried by a 6.00-MeV proton beam that has a radius of 1.50 mm.The mass of a proton is 1.67 $\times$ 10^-27 kg.If the beam hits a target,how many protons hit the target in 5 s?

A) 2.50 $\times$ 10¹⁶
B) 6.78 $\times$ 10¹⁶
C) 5.68 $\times$ 10¹⁶
D) 1.37 $\times$ 10¹⁶
E) 3.71 $\times$ 10¹⁶