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A Beam of Protons in an Accelerator Incident on a Metal

Question 38

Multiple Choice

A beam of protons in an accelerator incident on a metal plate carries a current of 150 $\mu$ A.How many protons strike the plate in 24.0 s?

A) 1.60E+5
B) 3.60E+9
C) 2.25E+16
D) 3.91E+13

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