How Much Current Will Flow Through a 40 $0.0 \mathrm {~mm}$

Multiple Choice

How much current will flow through a 40.0-m length of metal wire with a radius of $0.0 \mathrm {~mm}$ if it is connected to a power source supplying $16.0 \mathrm {~V}$ ? The resistivity of the metal is $1.68 \times 10 ^ { - 8 } \Omega \cdot \mathrm { m }$ .

A) $0 \mathrm {~A}$
B) $0 \mathrm {~A}$ .
C) $0 \mathrm { nA }$
D) $0 \times 10 ^ { 8 } \mathrm {~A}$