The Resistivity of Gold Is at Room Temperature

The resistivity of gold is at room temperature. A gold wire that is 0.9 mm in diameter and 14 cm long carries a current of 940 mA. What is the electric field in the wire?

A) 0.036 V/m
B) 0.0090 V/m
C) 0.028 V/m
D) 0.046 V/m
E) 0.090 V/m