The density of free electrons in gold is 5.90 x 1028 m-3. The resistivity of gold is 2.44 x 10-8 at a temperature of and the temperature coefficient of resistivity is 0.004 ()-1. A gold wire, 1.3 mm in diameter and 27 cm long, carries a current of 270 mA. The electric field in the wire is closest to?