If 30 × 10¹⁵ Electrons Flow Through a Section of a a Wire

Multiple Choice

If 3.0 × 10¹⁵ electrons flow through a section of a wire of diameter 2.0 mm in 4.0 s,what is the current in the wire? (e = 1.60 × 10^-19 C)

A) 0.12 mA
B) 0.24 mA
C) 7.5 × 10⁷ A
D) 7.5 × 10¹⁴ A